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PrintablesSunShine

Print In Place V8 and V6 Engines!

note, this used to be the thngiverse file for only the V6, but is now combined to the V8 and the V6. This is a print in place model, meaning there is no assembly required! See how it works: https://youtu.be/n4ovYJdgHNU Please like the…

Downloads
1,413
Likes
166
Rating
4.57
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PrintablesTerrain4Print

Gothic spaceship wreck B engines

https://www.myminifactory.com/users/terrain4print?show=store Access to all new models for $2 per month I have a subscription service on MyMiniFactory, a tribe. I make miniature wargaming and roleplaying game terrain for your home 3D…

Downloads
891
Likes
242
Rating
4.89
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PrintablesPlasticNinjas

Engines of Nemesis Board Game (RU)

This is a REMIX of engines from Nemesis – 3D Game Board STL Files . For personal and non-commercial use only. Engine models have been changed to fit the engine tokens of the Russian version of Nemesis. If you have a non-Russian version of…

Downloads
713
Likes
67
Rating
5
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PrintablesIJsklontje

Adjustment kit for BMW Engines M52U, M54 Vanos

Adjustment kit for the Vanos in BMW engines (M52 and M54) I found the Vanos adjustment measures on BMW forums and made this jig/kit to adjust the Vanos to these parameters. It worked a charm on my engine swapped Z3 who's vanos got out of…

Downloads
499
Likes
67
Rating
0
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PrintablesZEXI0N

V8 engines by Jaxon Kowalenko

These engine models were made by Jaxon Kowalenko. I HAVE MADE NO CHANGES TO THE MODELS other than to separate it into 3 files. Please direct ALL praise to the original creator; and if you download my files, PLEASE go give the original…

Downloads
428
Likes
28
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0
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PrintablesNoel Holm

lego crankshaft for 3 cylinder engines (120°)

With this custom 120° crankshaft you can build a straight 3 cylinder or a V6 engine with an even firing order. for a complete crankshaft you need 3 custom 120° crankshaft pieces and 3 regular crankshaft pieces which you can download…

Downloads
396
Likes
15
Rating
0
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PrintablesFutrell Garage

Flywheel lock for LS based engines

I designed this to lock the flywheel or flexplate on the LS based engines. It held rock solid while I torqued the crank bolt to over 250 lb ft. You can probably get the same results at 60% infill. Print this logo side up. PLA or PLA + 90%…

Downloads
355
Likes
62
Rating
5
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PrintablesRealPrint

Garage for small to medium-sized (fire engines) vehicles (H0) Garage für kleine bis mittlere (Feuerwehr)Fahrzeuge (H0)

Dies ist ein Remix von 3d-druckfactorys Scheune/Garage Die Garage wurde auf das Doppelte verlängert und etwas erhöht. Optional wurden seitliche Fenster eingefügt. Die Tore stehen jetzt offen. This is a remix of 3d-druckfactory's…

Downloads
328
Likes
46
Rating
5
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PrintablesC3NTAURi

Saturn V F-1 Engines (Rocketdyne F1)

Parts are separated for colour change of your choice. 0.2 is fine to do entire print but if you have more patience I would recommend for the smaller parts printing with the higher resolution to get even a cleaner print. Infill on all…

Downloads
313
Likes
36
Rating
5
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PrintablesVoltex

Retrievable Model Rocket for 18mm engines

UPDATE: I added extra optional designs to fit some tastes and just because the other design was very basic. Added the design "Hard to print" main body with Aerodynamic Fins Added a steeper Nosecone (comes down to preference) Added an…

Downloads
244
Likes
16
Rating
0
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PrintablesTS DesignWorks

twist lock oil fill funnnel for modern Mercedes engines

twist lock funnel for the new style oil fill cap (254 and such) it twists in like the oil cap does so it is easier to fill. added higher flow version Added taller version I printed mine from PETG-CF and its been doing great! print…

Downloads
243
Likes
16
Rating
5
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PrintablesMaWoKo_3D_Druck

Flugzeug mit 4 Triebwerken / Airplane with 4 Engines

Ich wollte ein Spielzeug für mein kind haben was nicht gleich kaputt geht somit habe ich dieses Flugzeug entworfen, gedruckt mit 30% infill und eine 0,4 nozzle klappt der druck perfekt. Das Flugzeug ist fiktiv, frei erfunden über likes…

Downloads
237
Likes
15
Rating
5
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Printableswedgeworks

RC-135V/W with TF33 Engines

The RC-135V/W is the United States Air Force standard airborne signals intelligence platform. Its sensor suite allows the mission crew to detect, identify and signals throughout the electromagnetic spectrum. The crew consists of the…

Downloads
210
Likes
79
Rating
5
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PrintablesOlrac

KM-954 Timing tool for Opel-Vauxhall-GM petrol engines

I created a model for this timing tool based on a metal one that I got from Amazon. It fits correctly as the metal one; you'll also need 2 M6 screws to lock it into position. Please let me know if it was useful. Thanks

Downloads
208
Likes
5
Rating
0
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PrintablesMaWoKo_3D_Druck

Flugzeug mit 2 Triebwerken / Airplane with 2 Engines

Ich wollte ein Spielzeug für mein kind haben was nicht gleich kaputt geht somit habe ich dieses Flugzeug entworfen, gedruckt mit 30% infill und eine 0,4 nozzle klappt der druck perfekt. Das Flugzeug ist fiktiv, frei erfunden über likes…

Downloads
195
Likes
11
Rating
5
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PrintablesFlo

Tool for VW Common Rail Diesel Engines Oil Filter Drain Reservoir (13 mm) Golf 7 and others

With this tool, the oil change can finally be done without a big mess. Simply loosen the drain plug of the oil filter a little with a ratchet, then completely unscrew the screw with the printed special tool. The oil is completely…

Downloads
176
Likes
22
Rating
5
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PrintablesJa Hey 64

Valve for Lego Pneumatic Engines

Instructions printing I'd recommend printing the Lower housing and the the cap with 0.9 flow, this seems to help with the threads this model is designed to be printed with .2mm layers (also first layer) I had some trouble printing this…

Downloads
156
Likes
38
Rating
5
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Printablesdeagon

Pullstart Housing & Spool for 1/10 nitro rc engines

This is a replacement pullstart housing & cord spool for a 1/10 .18 or larger nitro engine with a 12mm hex. You can view the Fusion360 project here... https://a360.co/3bgZUxZ Obj, skp and f3d files included. EDITS 30/03/18 Has anyone…

Downloads
144
Likes
13
Rating
0
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PrintablesSteve_AU

PCEngines APU2/APU3 Modular Rackmount (remix)

Edit 2023-04-11: Updated to trim 17.5mm off the inside slide, so should work better with the updated box models. --- This is a remix of MyStoopidStuff 's modular rackmount design . Specifically, this is a model to support the PCEngines…

Downloads
134
Likes
7
Rating
0
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Printablesdsvita

MTG Start your engines! Gear shifter

Small gear shifter to use as shifter in MTG Aetherdrift. 1-4 speed, Reverse as zero. Enjoy!

Downloads
117
Likes
9
Rating
0
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Printablesmelted_plastic

Exhaust Gasket Driver/Installer for Harley Davidson V-Twin Engines

Multiple versions of the tool are provided so you can choose the thread size that is most convenient for you. Both imperial and metric are included (see the Files tab for details).

Downloads
113
Likes
14
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0
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PrintablesLvcas CZ

Funnel For Diesel Engines / Trychtýř Pro Naftové Motory

Suitable for refueling from a canister or adding additives to diesel. Diameter 25mm. Printed from PETG material

Downloads
112
Likes
10
Rating
0
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PrintablesM S

locking-tool for timing-belt for multiair and tjet (engines from fiat, alfa, jeep, ...)

These tools can be used to fix the camshaft on MultiAir engines and the crankshaft on T-Jet and MultiAir. This makes it easier to replace the timing belt. There are two versions for the camshaft. The version without a pin allows you to…

Downloads
107
Likes
11
Rating
0
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Printablesmak77

Crankshaft clamp for OS 91/105HZ engines

Crankshaft clamp needed to lock the shaft of RC nitro engines when tightening up the clutch nut. This one fits O.S. engines: GT15, 105HZ, 91HZ / SZ / RZ (including R versions, i.e. HZ-R). Replacement for genuine O.S. crankshaft clamp part…

Downloads
105
Likes
6
Rating
5
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PrintablesEllie_Valkyrie

Sleek Single Pod MRF Engines (Gaslands)

The latest mods from Ellie Valkyrie's garage! A set of single rotor engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
99
Likes
16
Rating
0
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PrintablesJaron

Spacex Starship Launch engines Keychain

Keychain showing the active and failed engines of the first fully integrated Starship and Super Heavy rocket test flight from the launch on 4/20/2023

Downloads
96
Likes
47
Rating
5
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PrintablesGiieck

Ignition Cover for AM6 Engines

Printable with 3 walls, 15% infill Supports needed

Downloads
93
Likes
5
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0
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PrintablesEddie

2 stage model rocket for 24mm rocket engines

This is a 2 stage model rocket I made to use 24mm engines. Some assembly required. I have yet to fly it but OpenRocket says it is stable. I don't have a name for it so feel free to recommend one! Have fun! Rocketry can be dangerous.…

Downloads
90
Likes
12
Rating
0
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PrintablesKeno

SafeStop M14 – Plastic Piston Stopper for Engines - 3 sizes

SafeStop M14 This custom-designed piston stopper is a must-have tool for small engine maintenance, perfect for use when replacing clutch drums or performing engine repairs. Unlike standard metal piston stoppers, this tool is made from…

Downloads
90
Likes
12
Rating
0
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PrintablesEllie_Valkyrie

Triple Rotor Pod Engines For Martian Racing Federation (Gaslands)

The latest mods from Ellie Valkyrie's garage! A set of triple rotor engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
83
Likes
12
Rating
0
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PrintablesYDesign

PC Engines APU4d4 Half Rack Mount

This is a 1RU Rack mount for the case1d4blk enclosure for the PC Engines APU4d4. It is printed as a half rack mount so the other half can be used for mounting other equipment. I have included 1RU blanking plates for the other side. Both…

Downloads
72
Likes
3
Rating
5
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PrintablesEllie_Valkyrie

Sleek Double Pod wide MRF Engines (GASLANDS)

The latest mods from Ellie Valkyrie's garage! A set of double rotor engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
72
Likes
14
Rating
0
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PrintablesEllie_Valkyrie

Big Engines For Martian Racing Federation (Gaslands)

The latest mods from Ellie Valkyrie's garage! A set of big modular engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
71
Likes
9
Rating
0
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PrintablesCOPERNICON

LEGO compatible flywheels for (pneumatic) engines

Here are 4 models of flywheels you can use with your engine. you are supposed to mount these flywheels onto part 4185 with technic pins, as shown in the pictures. The flywheels are supposed to be manufactured by CNC machining or metal 3D…

Downloads
68
Likes
8
Rating
4
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Printableslacop

PC Engines APU2 - SSD mounting bracket

Holds a single 7mm 2.5" SSD inside the PC Engines APU2 enclosure. Tested with apu2d4 inside case1d2redu, using satacab1. I also have msata30b installed in one of the slots, it doesn't interfere with the mounting bracket. Note that you…

Downloads
67
Likes
6
Rating
5
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PrintablesChristian

Display Stands for COX Model Engines

Different Stands for various COX Nitro Model Aircraft engines.

Downloads
65
Likes
8
Rating
0
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PrintablesMangnoppa

PCEngines APU Shelf 10 inch Rack

This shelf holds a PCEngines APU-board. It is compatible with all APU versions, since the dimensions of all cases are the same (W: 168, L: 157, H: 30 in mm). The dimension of the cutout is 170x32. UPDATE: The front plate was too thin, so…

Downloads
63
Likes
5
Rating
0
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PrintablesDavid Frey

Thrust Ring for 29mm Estes Model Rocket Motors/Engines

This is a simple thrust ring, designed to slip onto the end of an Estes 29mm motor. I don't normally fly Estes BP motors, but when I do, I have to use the tape method because I do not put thrust rings in my motor mount tubes. Ever. This…

Downloads
63
Likes
24
Rating
5
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PrintablesDrHazamt24

Racing spaceship with detachable engines

This is a model of a racing spaceship that I designed in Tinkercad. The engines are detachable and slot into a holder that slots into the main section of the model Parts can be split up to print one at a time or be printed all at once…

Downloads
58
Likes
6
Rating
0
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PrintablesVáclav Šubert

Oil filter tool for BMW engines like N20, N26, N52, N53, N54, N55, S55

Oil filter tool for BMW engines like N20, N52, N53, N54, N55 Simple to print and plenty strong by respecting the limited Z-Axis strength of 3D prints. In my case printed from ABS.

Downloads
58
Likes
3
Rating
0
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PrintablesEllie_Valkyrie

Double Rotor (Tall) Pod Engines for MRF (Gaslands)

The latest mods from Ellie Valkyrie's garage! A set of double rotor engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
50
Likes
11
Rating
0
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Printablesbobofett13

Jeti MRPM Bracket For Desert Aircraft Gas RC Engines

This bracket will support the Jeti MRPM hall effect sensor for tach feedback on a Desert Aircraft DA-50/60/70 gas engines. Many of the ignition modules sold by DA do not have connections for tach feedback through telemetry. This bracket…

Downloads
50
Likes
1
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0
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PrintablesKoumak

Fuel tank cap for Vari Zongshen engines

Cap for fuel tank, I dont know the name of this kind of thread, but there was no model on the internet which would fit. I had to design it in 2 parts, because the overhangs on the threads are printable only from bottom to top. I needed…

Downloads
49
Likes
3
Rating
0
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PrintablesEllie_Valkyrie

MRF Zephyr Pod Engines and Fins

The latest mods from Ellie Valkyrie's garage! A set of big quad-fan engines that you can use to customize your own vehicles for the Martian Racing Federation! (Gaslands modification by the creator of Gaslands that is available in BLASTER…

Downloads
47
Likes
12
Rating
0
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Model engines

Model engines for decor or RC car accessories.

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44
Likes
4
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0
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PrintablesUdo's 3D World

Siege Engines for Fantasy Sieges

With the castle last week, this release had to come! You now have a siege tower, a ram, plus siege ladders to effectively attack the castle you printed during the last week. Enjoy your siege games! I don't think I need to add much info to…

Downloads
42
Likes
14
Rating
0
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PrintablesBumm

Lego Jet Engines: CFM-56 and IAE V-2500

I made some engines for my own Lego plane. The holes are too small for the lego part so you have to make them bigger.

Downloads
38
Likes
4
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0
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PrintablesPietDeVries

40mm Fan Mount PC Engines APU rackmount case

My PC Engines APU rackmount case has mounting positions for some 40mm fans, varia-store.de sells the mounts in metal (and the fans). Seemed a simple enough design so I took a 40mm fanmount model and added the mounting bit.

Downloads
37
Likes
2
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0
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Printablesshanes

knee scooter jet engines

knee scooter jet engines

Downloads
35
Likes
4
Rating
0

Bottle rocket engines

4 bottle rocket engines that I made a while ago NOTICE: scale it up a bit

Downloads
35
Likes
9
Rating
0
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PrintablesStanley

PC Engines APU2 mini-ITX bracket

Thank to this bracket, you can install PC Engines APU2 board into cheap (approx. 20 €) mini-ITX case. The bracket is in two versions, one with Raspberry Pi and second without. Something about my installation: Chieftec IX-03B-OP mini-ITX…

Downloads
34
Likes
4
Rating
0
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PrintablesCoyoteran

Flite Test FT Mighty Mini Scout Engines

These replace the foam motor and pipe power pod supports on the FT Mini Scout by Josh Bixler. Holes for bbq skewers are set to 3 mm because that is the size I had. YMMV. I think they can be safely drilled out without affecting too much…

Downloads
33
Likes
5
Rating
0
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PrintablesMicha

Sky Team marker for engines and brakes

Markers for the boardgame Sky Team. The original markers for the engines and brakes were so short and smooth that they always slipped out of my fingers, so I replaced them with these markers, which are slightly longer, have a wider head,…

Downloads
33
Likes
3
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0
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PrintablesDTH

Distributor dustcap for VW/Audi 2.5l engines (T4 AET, AEU, APL, AVT)

Dustcap for use inside the BERU distributors used on many 1990s and 2000s VW and Audi 4 and 5 cylinder engines. Designed to fit the five-cylinder cap on the somewhat rare APL government issue engine. Replaces Bosch part 1 230 500 267…

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31
Likes
2
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0
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PrintablesThis Guy

2026 Metal Thomas James, Edward, and LBSCR Tender engines (only body) (no tender) (v1)

NOT TEST PRINTED YET AS OF 3/25/2026 Measurements on blender look fine, so you can try to print it if you want to Lamps by: Fo43 on printables face diameter fits wooden railway, metal collection 2025, etc (19.3mm)

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28
Likes
1
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0
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Printablesjoey

PC Engines APU4C4 Case with SSD Hotswap frame, perfect Firewall

Perfect DIY Case for this nice little Mainboard. Perfect for Building a nice Firewall with PFSense or IPfire. 4gB Lan Ports and a nice amount of speed and flexibility. You just need an old Nortbridge cooler or something like that.…

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26
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0
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PrintablesGrumpy Pirate

Fuel line TPU grommet for 2 stroke engines

Fuel line grommet for 2 stroke (and 4 stroke?) engines usually found in cheap weedeaters and other garden equipment. Modelled after original NAC weedeater grommet with 19 mm but it should work with 20 mm openings too. Hole and line seal…

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26
Likes
3
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0
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PrintablesZigzain

Engine choke mount with guide for MLD 35CC or DLE gas engines

Choke lever mount for gas engine MLD 35CC (original) or DLE 35 (not tested). Airplane accessory. = = = = = = use 4mm bolts for fix it = = = = = = If you like it, please donate: Paypal: [email protected] Skrill:…

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24
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3
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0
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PrintablesPat

Socket to help drain coolant from Volvo Penta marine diesel engines

This is a tool to help you drain the coolant from a Volvo Penta marine diesel engine. I designed it for my D1-30A engine. The D1-30 has two coolant nipples or draincocks which must be opened to drain the coolant. One of mine, the one next…

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23
Likes
7
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0
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PrintablesMyFiat600D

Intake manifold for Fiat 850 engines in a Fiat 600-based car

The engines in the Fiat 850 family of cars were slightly canted. In order to keep the carburetor level, they canted the intake manifold in the opposite direction. The engines in the Fiat 600s were level. Swapping an engine from a Fiat 850…

Downloads
23
Likes
8
Rating
0
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V4 V6 R6 V8 engines Lego Duplo-compatible (with exhausts!)

Summary These solid motor‑block bricks are designed to snap onto Duplo-elements, giving young builders the visual feel of engines and machines. Their one‑piece construction makes them safe, sturdy, and ideal for imaginative play without…

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23
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6
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0
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Printableshonza.cz

RC airplane universal holder for glow engines 0.46 cu in (7.45 cc) – 0.55 cu in (8.93 cc).

RC airplane universal holder for glow engines 0.46 cu in (7.45 cc) – 0.55 cu in (8.93 cc). Suitable for mounting to RC plane engine firewall. Printed with carbon fiber-reinforced material, 100% infill.

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21
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2
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0
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PrintablesMyFiat600D

Performance intake manifold for Fiat 850 engines in a Fiat 600-based car

12/19/25 update to release V2 based on feedback from an owner of the JO/EL intake: -Changed the cutouts under the venturis from spherical to conical. -Changed engine side venturi cutout diameter from 36mm to 37mm. -Changed non-engine side…

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17
Likes
3
Rating
0
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PrintablesRedMan

Oil Cap for Predator Small Engines

This is a knurled replacement oil cap for the Predator Series small Engines. It has the shoulder to accept the existing sealing ring. I printed this in CC3D 72D TPU. It seems that the tolerance on the motor's threads are not the greatest,…

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17
Likes
2
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0
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PrintablesZeciortech

Volvo R5 engines manifold dummy plugs for sanding

Read carefully before printing: .3mf file includes flat (0.6mm /3layers) gaskets which needs to be printed with TPU .stl files includes hard gaskets which needs to be bolted to the manifold (with a TPU gasket mentioned above between them)…

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16
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0
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0
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PrintablesTomek

boeing 747 (without engines and windows)

boeing 747 (without engines and windows)

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15
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1
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0
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Printablesnancy romero

Engines whistles

these are whistles for engines for use

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13
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0
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0
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PrintablesMyFiat600D

High performance intake manifold for Fiat 850 engines in a Fiat 600-based car

12/19/25 update to release V2 based on feedback from an owner of the JO/EL intake: -Changed the cutouts under the venturis from spherical to conical. -Changed engine side venturi cutout diameter from 36mm to 37mm. -Changed non-engine side…

Downloads
11
Likes
0
Rating
0
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diesel engines fuel system prime and brake bleeding tool

A venturi vacuum pump is a pneumatic device that generates suction using compressed air and the Venturi effect, eliminating the need for electricity or moving parts . My plan is to use this to prime the fuel system of diesel engines and…

Downloads
11
Likes
3
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PrintablesJoseph DAndrea

Spark Plug caddy for GM LS engines

GM LS Engine Spark Plug Holder Caddy Keep your GM LS engine swap or tune-up organized with this dedicated spark plug holder caddy. This design features permanently embossed cylinder number markings that precisely match the standard GM LS…

Downloads
11
Likes
3
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0
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PrintablesWalker Fever

Walnut Blasting for LT engines

I modified this file to fit my L83, but it should fit on everything LT based. I don't remember where I got the or from, if the original designer sees this message me and I'll give credit where credit is due. Print with supports.

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11
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3
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Printablesaustin simon

Bulldozer with jet engines

This is a bulldozer with a action figure stand to.

Downloads
11
Likes
3
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PrintablesLeonardo Saba

TOP cover for engines

TOP cover for engine head impact bar, both designs work properly. they are specifically designed for Moto Guzzi California 850cc. Anyway, they could work for other manufactures or models.

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11
Likes
2
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PrintablesThunder

Tie Phantom engines

Tie Phantom Engines

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10
Likes
1
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Printablespauldaws

Exhaust blanking plate for Aprilia XV engines

Exhaust blanking plate to suit Aprilia XV engines (SXV, RXV, MXV), use this is you want to clean your engine without the exhaust fitted or store a spare engine. Exhaust boss is 38.0mm (~1.5") x 9.0mm long and the flange mounting holes are…

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10
Likes
1
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PrintablesRyan Gralinski

for Honda / Acura J Series V6 Engines Maintenance Plugs for Intake and Starter

If your going to be doing Maintenance on a J-Series these might come in useful if you want to be careful. Especially if its going to be exposed for a long time or just while working so you don't drop anything in there. Plugs for the…

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8
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2
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PrintablesJeno

WIP American style tender and tank engines for Hornby 0-4-0

Made by request for TMF Studios https://www.youtube.com/channel/UCA1pylOWEtNBUMwduGCbttw . Sadly you're gonna have to snip the couplings off the Hornby chassis for the body to fit, use 33" HO scale wheels for the front pony truck and…

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7
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3
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0

John Deere 210 (and other old Kohler engines) Air Filter Housing (WIP)

Currently a work in progress. So far I have completed the cover. Still in progress and coming soon is the back plate, TPU gaskets for the cover (ones for both the printed and original covers), and a gasket for where the back plate meets…

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2
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3
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PrintablesTc_ Phoenix_

Modular Starfighter Kit - Swappable Wings, Engines and Stand

Build your own fighter for the space armada. An original faceted design that snaps together with 3 mm pins: choose between the delta wing set and the forward-swept wing set, plug in the twin engine pods, and pose it on the display stand.…

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0
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0
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PrintablesTS DesignWorks

Mercedes direct injectior puller and plugs for gas engines

The two files attached are for the sleeve to go over the injector puller and a plug that can be used in the holes The plug is set up to use and m6 heat set inset, the upper bracket is there if you wan to do valve springs on an installed…

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0
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0
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0
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Printables

twist lock oil fill funnnel for modern Mercedes engines

twist lock funnel for the new style oil fill cap (254 and such) it twists in like the oil cap does so it is easier to fill. added higher flow version Added taller version I printed mine from PETG-CF and its been doing great! print…

P
Printables

locking-tool for timing-belt for multiair and tjet (engines from fiat, alfa, jeep, ...)

These tools can be used to fix the camshaft on MultiAir engines and the crankshaft on T-Jet and MultiAir. This makes it easier to replace the timing belt. There are two versions for the camshaft. The version without a pin allows you to…

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Printables

Bottle rocket engines

4 bottle rocket engines that I made a while ago NOTICE: scale it up a bit

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Printables

High performance intake manifold for Fiat 850 engines in a Fiat 600-based car

12/19/25 update to release V2 based on feedback from an owner of the JO/EL intake: -Changed the cutouts under the venturis from spherical to conical. -Changed engine side venturi cutout diameter from 36mm to 37mm. -Changed non-engine side…

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Printables

Siege Engines for Fantasy Sieges

With the castle last week, this release had to come! You now have a siege tower, a ram, plus siege ladders to effectively attack the castle you printed during the last week. Enjoy your siege games! I don't think I need to add much info to…

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Printables

V4 V6 R6 V8 engines Lego Duplo-compatible (with exhausts!)

Summary These solid motor‑block bricks are designed to snap onto Duplo-elements, giving young builders the visual feel of engines and machines. Their one‑piece construction makes them safe, sturdy, and ideal for imaginative play without…

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Printables

diesel engines fuel system prime and brake bleeding tool

A venturi vacuum pump is a pneumatic device that generates suction using compressed air and the Venturi effect, eliminating the need for electricity or moving parts . My plan is to use this to prime the fuel system of diesel engines and…

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Printables

Thrust Ring for 29mm Estes Model Rocket Motors/Engines

This is a simple thrust ring, designed to slip onto the end of an Estes 29mm motor. I don't normally fly Estes BP motors, but when I do, I have to use the tape method because I do not put thrust rings in my motor mount tubes. Ever. This…