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For more detailed info, watch the YouTube video: The modified nut may not be needed. The modified lever is a drop-in replacement that shouldn't cause any issues but may resolve issues with poor grip on the filament.
Updates 25-10-22 “Idler_6-7_R3” dimensions adapted to the Main Plate R4 with angled Swivel. This update is more angled than the previous design to align the screws horizontally and minimize the screw tread friction in the heatsink.…
Simplified model of barbie (doll) chair for Barbie house or Barbie caravan. From PrusaSlicer 2.4 turn on Thick bridges (old mode bridging) for better results. Material: PLA Nozzle: 0,4 mm Support: no Brim: yes (5 mm)
A solution to eliminate the hide and seek game every time the MMU2S door is flipped. No disassembly or extra components required, reuse existing tension screws and springs, I printed the bases separately in a darker colour and I can…
Firt of all Check out the github repository https://github.com/Radiotbo3d/SBFI What is this? These are replacement front idlers for Vorons (and Voron-based machines). This design is available for Voron Trident and Voron 2.4. Improvements?…
During the assembly of MMU2S I cracked the part. I suddenly discovered that many people are having my problem so I updated the Prusa part to get it stronger. This design is based on R1 prusa part. Print instructions I have printed it with…
After assembling my MMU2S and upgrading to the MK3S I had a lot of problems getting the filament to load. The issue was the triggering IR sensor in the extruder head. Following the instructions I did a very small trim of the idler arm,…
I had many issues/errors/problems with my mk3s+ mmu2s while printing multi color. I can tighten idler screew to not have stopped filament, but than I had issues to work IR sensor right. I loose scree, IR sesor was working right, but…
** Updated 10/18/26 to add OEM Y-Axis tensioner housing model in Stock Parts ** I did not like the stretchy generic GT2 belts that came with the Neptune 3 Pro, so I set out to replace them with genuine Gates GT2 belts. Since I was going…
My tension lever cracked on my Ender 3, leading to under extrusion problems. This is a replacement part that I designed to not require any changes. The bearing screw hole is slightly undersized to allow the screw to thread into the…
This is a reverse engineered Prusa MMU2 idler with a few changes. As I've cracked 2 of the original ones and had some issues with idler bearings being a little too loose, I've drawn this in Fusion basing on original. Fit and size are the…
This is a remix of the MMU2 thumbscrews for the MMU2 S . The longer thumbscrew should avoid accidentially pushing buttons on the MMU2S. If you already printed the short/original, you just have to replace the left thumbscrew, because there…
The model is parametric and customizable depending on what bearing you can get a hold of and what tolerances your printer has (press fit). Hardware required: 2x ≥M4x20mm screws 1x M6x30mm screw (depending of the ID of your bearing) 1x M6…
Do you like stock design and don't like stock tensioner? Here is solution. Parts: -Stock idler sourced from Prusa Research -Compatible shaft is Ø2.9-2.99mm, 15-16mm in length. -2x M3 nylon hex nut -2x M3x18 Socket head screew Print…
Thank you to the Voron Design team for all the hard work and amazing printers. Feedback on this mod is appreciated! I think this is a “must have” mod for the V0. Model C is the current LazyCam, but models A and B are here as well. I can't…
This is my Tiefling Female Bard with a Fidle. This model was made for a fellow Patron of MZ4250 who requested it on the discord server that is available for every Patreon tier. A remix of a model made by MZ4250 . If you like it and/or…
I designed this Horse Bridle Bracket to help organise the stables that my wife attends and as a gift to say thanks for all their help. The hook has the added inner wall loops running through the centre that I have been adding to most of…
This version of the idler was inspired by @MihaiDesigns_9605 work to root cause inconsistent extrusion as outlined in his investigation found here . I've been printing with this idler for a few months on my two MK3S+'s and have noticed an…
Hook / hanger for horse bridle and accessories. Designed for my wife. Works well. Enjoy your ride !
Remixed the R17 Ultimulti version of the idler to remove rattling sound when idler moves. Remix of the original Prusa standard idler version here . Print as oriented. This remix adds a .5mm bearing spacer to each wall of the bearing slots…
I'm definitely standing on the shoulders of giants with this one. I have the Prusa i3 Mk3s with the MMU2S. I have not been able to reliably print anything yet without issues. I've narrowed it down to what I consider to be, by far, the…
My MMU is in a pretty tight location and I can't easily get an allen key in there to adjust the idler tension. Here is a design for some thumbscrews that can be pushed onto 40mm M3 screws to adjust the tension without an allen key. They…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
NEW VERSION THE 2024 / 22 / 12 ! REMIX OF THE FRONT IDLER TENSIONER FOR VORON 2.4 This is my remix of the front idler tensioner mod from Ramalama2 https://github.com/Ramalama2/Voron-2-Mods/tree/main/Front_Idlers In my opinion, the body…
Remixed the standard R4 version of the idler to remove rattling sound when idler moves. Remix of the Ultimulti version here: https://www.printables.com/model/893656/ Print as oriented. This remix adds a .5mm bearing spacer to each wall of…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
GT2 belt idler pulley mount for V-Slot aluminum extrusion profile. Print with no supports. Easy to mount and service. Ideal for belt driven v-slot carriage. Focused on providing the longest possible travel distance. Back side of the belt…
I was having a hell of a time tightening my z idlers on my Voron 2.4 and decided to go for Chaoticlab's tool free version but I didn't like how he used a square nut (not common or used anywhere else) or hex nut (also not used/common for a…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
I was having a lot of trouble printing with flexible materials like Ninja Flex on my XL so I decided to modify the existing parts to try and eliminate the filament jams. Initially i started with reducing the friction from the filament…
Non-MMU IAF-Idler Version now available here Updates: 17.01.2026: added modified CORE ONE Loveboard mount with more spacing for screwnut movement 26.11.2025: Note: It could be possible that you need to tighten the Idler screws after the…
The 4th installment of my MMU2s overhaul As discussed on the forums and here, the stock idler is prone to breaking if the set screws are too tight on the D shaft. In addition to the potential breakage when installing all the force of the…
Had an OEM IDGA gearset laying around and I had nothing else to do with it. Clockwork2 seemed to be unecessarily complex so I opted to butcher WristWatch2 BMG version to make it fit IDGA as it's already fairly similar. Just needed to move…
New improved version out now! What do these blocks do? They allow the use of toothed idlers that will drastically reduce belt pitch vfa Can reduce rattling noise on fast accelerations (seems to depend on material used for printing) Easy…
Kreidler Florett RS K 54/504 N Supports: Yes Resolution: Dynamic Infill: 20% line Filament brand: 195 - 210 Filament material: PLA
Features: Open/close Idler-unit without tools Idler-body locks with Snap-locks Original screw, spring, spring movement etc. Easy to exchange with original Idler-body Filament sample holders, and number imprints Easy assembly/disassembly…
Without bearing, should rotate freely on a M5 Screw.
A solution to eliminate the hide and seek game every time the MMU2S door is flipped. No disassembly or extra components required, reuse existing tension screws and springs, I printed the bases separately in a darker colour and I can…
Remix of great design of Prusa MINI X End by Alsteiner. Separate 2 functions of x axis end (fix + idler). I made it more robust, symetrical, improved tolerances and its made for threaded inserts 5pcs (M3: 5,7mm lenght x 4,6mm wide - or…
New FuzNuz design out, this one is a completely new design for a standard sized bridle rack. Key features include: A strong dip shaped design to hold all sizes of bridles securely on the rack. Four holes for size #8 wood screws with…
A small change to the original or remixed design. The lower part was cut away. This part is of no need at all to the functionality. Reasoning: A perfectly well running MMU2s still needs service. One of those services concentrates on…
ULTIMATE GAMECHANGER FOR MULTIMATERIAL PRINTING!! After initial install and adjustment, the idler tension is now suitable to works with a extended range of filaments without any idler adjustment! Easy to print, 0.4mm nozzle, 0.15mm layer,…
I modified the original version to provide some more support as i converted a CR10 V3 and wanted the extra support for the extended belt runs.
Minor change following a suggestion from @Ckobar to increase the holes for the roller pins to 5mm to allow more pivot of the bogie. Be sure to print the main plate for the MK4 from here:…
Couldn't find any 40t toothed idlers, and the other models I found didn't seem to have a good grip on the belt so I made these. The 4mm bore ones are made to fit 2x F624ZZ Flanged Ball Bearing. The 8mm bore ones are made to fit 2x F688ZZ…
This is a remix of Kaaaaaaaaaaaaal's remix to the XL's main plate and idler lever. 60A Shore hardness filament is basically like trying to push a rubber band through the print head, yuk. It will go into any open gap so this design is…
Voron M4 with PC4-01 Bowden Connectors This is a remix of the beautifully designed Voron M4 extruder. Since the bowden collet in the original design is a little bit hard to source, I've adjusted the size of the hole to fit a more common…
Rework of the original Y idler by gregsaun of the MK3 Bear full upgrade to include a belt tensioning mechanism. For a version using a toothed 20T 5ID Gates idler, look at this remix . Print instructions This is compatible with the Bear…
A quick modification I made to the stock idler mount for the Y axis that helps keep the idler perfectly horizontal and aligned to the belt by using two alignment tabs on the top on bottom of the part. These take up the slack that can…
Double Helical Gear Mod on BFI (Beefy Front Idler) It has been modified based on Diyshift's BFI Gears user mode I made it to deliver better torque and prevent it from being twisted than normal gear The single-helical gear was found to…
Enjoy... Print Settings Rafts: Doesn't Matter Supports: Yes Custom Section HQ model can be found here... https://www.patreon.com/medelis Category: Art
A new Extruder Idler for the MMU2s Extruder wich helps the ir-sensor detect flexible Filaments better
Ridley. You can support me on https://www.patreon.com/Schlossbauer if you like my work. Category: Toys & Games
I found myself in the circumstance of designing this piece with priority, since it stopped a mass production. Design based on the damaged original part with some improvements for its correct operation. The design adjusts to the pressure,…
Modification to allow for square nuts on the Bear X Axis Idler. Prusa Bear Printer Design by gregsaun https://github.com/gregsaun/prusa_i3_bear_upgrade
RC-1.5 - 26 Januari 2021 Did some minor tweaks to the model, no need to trash the previous one if printed. RC-1 - 14 November 2020 Do you use FormFutura's, DSM or Mitsubishi Filaments? You know these are all on cardboard spools with a…
This is the 3rd installment of my major MMU2s upgrade. The idler body did not need much work, unless you ever wanted to use that part again after removing the idler. I had to break mine to get the idler out. Goals: Make the idler easier…
Easy print exactly on Mk4 without support or anything else the wheels are just plug with Force like standard chair
Ridley hits the BIG time! A new boss figurine from the Metroid universe, this time its the big baddie himself, the terror of figthing games developers, using the model from Smash Brawl gotten from VGResources. Why Brawl and not Ultimate?…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
FOR USE WITH KentO's BOGIE IDLER ONLY! Big thanks to him, because his main plate and idler solved all my FLEX filament issues on Prusa MK4S. Hi, this is modified one part of main plate for Prusa XL. It is part of KentO's model placed on…
This replaces the smooth pulleys where the belt teeth instead of the smooth back run against them. Motion is smoother and quieter than before with these. I couldn't find a commercial with the right dimensions, so I made my own. I printed…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
AnyCubic K3 Combo Idler Gear Replacement Guide A few weeks ago, I ordered two AnyCubic K3 Combos. Unfortunately, both arrived with broken gears in the idler mechanism. The issue presented as excessive clicking and popping noises when the…
This is the remeshed Prusa Mini Style y-axis belt idler for Prusa MK3s/+. This would allowed you to adjust the Y-Belt tension without flipping the printers and without hassle. The only thing you have to change is the screw for LCD…
GT2 Pulley with 2 x 623ZZ bearings. Print instructions Unassociated tags: Rebel II Category: DIY Summary GT2 Pulley with 2 x 623ZZ bearings. Print Settings Rafts: No Supports: No Resolution: 0.1mm Infill: 80% Notes: nozzle: 0.4mm layer…
The same as hprotzek's design but with cutout and washer to keep the base from pressing into the sides of the idler. For 5mm bore 2gt 20th tooth idler from E3D. The tensioner was designed for the mk3 so you will need the mk3 belt mounter.…
Part of a FREE 3D-printable miniatures project you can find at https://www.patreon.com/DungeonWardenMiniatures Your support is vital to the survival of this project. Thank you :) FDM-compatible (the smaller the nozzle, the better the…
This is my take on the Prusa i3 MK3(S/S+) Y-belt idler mount. The walls/sides are slightly thicker, the mounting holes for the nuts and bolts are thicker, there's a hexagon pattern on the sides, and all edges have been rounded. Mounting…
Tested now. Seems to work well. :D At some stage I'll tweak it a bit more to thicken up some of the walls. The MMU idler door for the MMU2s is a nuisance to open, as the lever used to activate the sensor interacts with the extruder body.…
I really like the ProtoXtruder 2.0. Unfortenatly there is only a short idler arm which does not allow manual filament changes. Since I implemented cold filament changes in my macros, this is really important for me. So I just created this…
UPDATE 09.10.2021: Added V2 of the idler with a tensioning mechanism. Uses an M3x40 screw and a suitable spring. This replaces the old idler on the extruder and make space for a standard 11mm extruder gear found on many bowden style 3D…
I like Meister Edels belt tensioner for the MK4, but I do think that it has too much play. This remix fits the standard 20*3 mm idler shaft and the original idler, with less play for the idler wheel. For assembly indstruction etc please…
In an attempt to reduce print artifacts, I'm wanted to try using a toothed idler with the Core One. I remixed the XY carriage to be able to accommodate the toothed idler which has a slightly thicker width This takes 2x Gates 2GT toothed…
I was having the infamous clicking/idler gear slip issue due to the idler axle slowly sliding out of the axle supports. This would then cause under-extrusion and, of course, failed prints. This remix removes the wholes from the axle…
When I got my KLP1 there were some problems by design. One Problem was the lower belt on the right rear side. The idler pulley is mounted too far to the left, resulting in a non-parallel belt path, resulting in different belt tension…
The idler arm, just wasn't long enough to reach the IR sensor. So I made the arm 0.5mm longer, and that was enough. Print instructions Rafts: No Supports: No Resolution: 0.20 Infill: 20% Filament brand: 123-3D.nl Filament color: Black…
Y-Axis belt tensioner for Prusa MK3. This is for a 20T Gates Idler with a 5mm bore. It's loosely based on MattyVee's excellent design, https://www.thingiverse.com/thing:2786671 . Items you'll need for this: (1) Gates 20T idler with a 5mm…
HI! print this idler / selector with different material, but it's a waste every time; so i came with this simple design combine the 20t 6mm gt pulley with the tensioner to make it more solid, hope it can make the process less complicated…
The original idler arm is good, but I had gotten used to having an arm I can pull back to help feed. Was able to use the supplied step file and modify it within Fusion 360. Some cut and paste, and the part was extended 15mm. This was…
Design chair, student model of the third year of carpentry, co-author is Eliška Pospíchalová, supportless printing, Designová židle, studentský model třetího ročníku oboru truhlář, spoluautorem je Eliška Pospíchalová, podpěry nejsou třeba
This is fairly easy and straightforward model for printing. I printed set of five for our horses about a year ago from PLA and still holding strong.
X5SA Pro pulley supports for toothed idlers. Includes support at the top of each bolt so that the idlers can run freely. It is designed to work with idlers ~8.6mm across. Print 2 x 2.6mm spacers and 4 x 1.6mm spacers. Print a normal and…
This is the exact Prusa i3 MK3S MMU2S extruder idler with one layer added to the part at the top that breaks the filament sensor beam. I modified this piece because I was attempting to pair PETG and a Flex filament. I found that the Flex…
If you already used my Label-Covers or Drawer Inserts for the Allit Basic 33 / Allit VarioPlus Hobby 33 drawer inserts (Also sold by Aldi Workzone “Kleinteilemagazin” or Lidl Parkside drawer), you may be interested in this one as well: I…
This modified main plate for the Prusa XL is based on the excellent work done by @KentO_105090, @KocourMour_2487045, and @Ro3Deee and combines features from the bogie idler main plate with a load cell protection wall. Looking for MK4(S)…
The original MK3/S uses POM nuts on the leadscrews. This design works with the more common 22 mm brass nuts.
Only open one nut and push the original idler aside to make space for the new one.
I frequently has issues with the BMG idler popping out of the guilder arm in the CW2 extruder. This issue seems to happen to others as well, see for example this message in the Voron discord. To hopefully fix this issue I remixed the…
Get rid of the factory idle speed control valve, or auxiliary air valve as Toyota calls it. The OEM valve when cold idles the engine around 2000 rpm which is very annoying when your aftermarket exhaust is super loud. Mounting hardware is…
Kreidler RS Cross 1974 Met dank aan Ruud Groen die deze mooie brommer voor mij geprint heeft en tevens zijn echte Kreider RS uit 1974,, op foto, ter beschikking heeftgegeven. Spoke rim only: without support Supports: Yes Resolution:…
M3 heatsets 4 M3x35 SHCS 4 5x30 Shaft 4 M5x1 Shim 10 M5x0.5 Shim 6 MR115 Bearings 4 F695 Bearings (should have these on stock XY joints already) 4 M5x16 2 M5x10 2 Dehubbed/Deflanged 20T GT2 Pulley 2 Github There is also a zip file for a…
I broke the original part at the motor shaft connection. I have made some changes that fix this problem. The idler is in two parts, the first part is bolted to the second part with three screws. A piece of metal with two screw holes is…
Rework of the original Y idler by gregsaun for the MK3 Bear 2.0 full upgrade with a belt tensioning and tracking mechanism which uses a Gates 20T 5ID toothed idler. For a version using the stock 20T 3ID smooth idler, look at my previous…
I modified on (MK3S/MMU2S Modified extruder-idler-mmu2s1 - Solves IR Filament Sensor Issues_by Sneaks) to make the arm sensor longer, and it worked fine when I test it. Give it try !
- ugly remix of the corner mounted stabilizers to be compatible with inward facing enclosures - remix of the X rail idler stabilizers to give the belts even more room and be better compatible with F695 bearings (now actually) First…
squared off and trimmed IR trigger
Verkleidsungs-Schraube für Kreidler Flory Modelle Zwei Versionen: Blinde Version für saubereren Abschluss der Verkleidung, kann auch mit Handkraft noch gut eingeschraubt werden. Original Version für den originalen Look, schraubbar mit…
Remix of https://www.thingiverse.com/thing:3504682 Unfortunately, the first one didn't work, so I fixed it. Just download the v2 Version. MMU Version with the "long arm" to trigger the filament sensor. Print it in PETG 20% Grid Infill at…
MMU2 Idler Tensioner Knob Created a knob for quick access to open the MMU for servicing. (i.e. jams / re-seating broken filament / adjusting the tension force) Having knobs eliminates the need to use an Allen or Hex key to open the MMU…
![Idler stabilizers for TwoTrees Sapphire Plus SP-5 [REMIX]](https://media.printables.com/media/prints/533794/images/4307696_505d4727-863b-4afe-957e-dd1acbb8e110/screenshot-2023-07-23-090432.png)
