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18650 & 18500 Battery Holders

I needed a bracket to securely hold a 18500 battery for a recent project. In that case the bracket was merged into the body of the container lid. But I realized the bracket itself might be handy for others, so I added flush mount M2 screw…

Downloads
209
Likes
88
Rating
5

Squareness Calibrator

My Qidi Tech X-Plus Printer was not printing square (no 90º angles on corners). The fix turned out to be easy (twist the whole X-axis carriage along the Z-axis until one or more gear teeth are skipped on the belt). What was difficult was…

Downloads
144
Likes
4
Rating
0

28BYJ-48 Stepper Motor Model + Accessories

When designing my Candy Dispenser I created a model of the 28BYJ-48 Stepper Motor I selected for moving the dispensing wheel. This is a commonly available stepper motor used in the automotive industry for controlling climate control…

Downloads
118
Likes
1
Rating
0

Dupont Jumper Wire Bundlers for Multi-Pin Connectors (TPU)

Update Feb 17 2025 Moved the original files with a 0.1mm tolerance to their own folder Uploaded new files with a 0.2mm tolerance Dupont connectors are 2.54mm Openings are 2.74mm Added Configurations 1x3 with filled-in center pin (useful…

Downloads
112
Likes
24
Rating
5

12V Dummy Load / Volts & Amps Meter / 12V Power Socket

I had a separate meter and 12 cigar lighter socket I was using as a battery/solar panel tester and dummy load. So I decided to combine them. This thing has 44 snapping nubs arranged in two rows around the perimeter. I reinforced the…

Downloads
90
Likes
10
Rating
3

12V 6AH Battery Box

I had a 12V LiFePO4 Lithium battery die on me after a lot of use. Meanwhile, I had accumulated 12 unused 3.2V LiFePO4 18650 cells. I thought, why not make my own battery. I printed in ABS for temperature insensitivity as I sometimes keep…

Downloads
81
Likes
20
Rating
0

QIDI Plus4 Handle Covers | Flush with Glass

I thought it would be nice to replace the ugly useless handles with simple covers. Remove the screws and handles, and set aside. The covers lift out easily. I printed on my QIDI Plus4 in "burnt titanium" multicolor ABS in “Strength”…

Downloads
74
Likes
17
Rating
0

QIDI Plus4 USB Port Protector

The USB port seems rather overexposed and this seems like an obvious upgrade. Should reduce anxiety and keep the USB port and flash drive protected when replacing the cover. Uses the original flush head case screws. To make it easier to…

Downloads
70
Likes
15
Rating
0

QIDI Plus4 Filament Holder Extender

I have some older PLA spools that are too wide to be held by the original filament holder on the QIDI Plus4. This inserts in place of the cap, with three extension positions. The original cap goes into the end. Print Settings Printer:…

Downloads
61
Likes
9
Rating
0

Encoder Knobs for Arduino | Keyed and Spring | Tuning, Potentiometer

Update April 23 2025 On the Nylon Set Screws The threads don't necessarily hold strongly within the hole. I've had success with them though in a couple ways While the knob is off, turn the set screw to the minimum depth needed to hold the…

Downloads
54
Likes
4
Rating
0

QIDI Plus4 Filament Holder Cap

I received a request to create a replacement cap for the QIDI Plus4 printer filament holder. This seems to work. I'm using it now to print a second one. I'm printing in generic ABS with a 15% grid in infill. I added a 5mm inside & outside…

Downloads
52
Likes
9
Rating
0

HX-916 Coin Acceptor Programming Jig and Mounting Hole Subtractor

Mount the HX-916 coin acceptor (and similar) for temporary programming, with easy access to the device's built-in buttons and LEDs. Create a new mount for the device using the matter subtraction model. I printed using PLA. I purchased one…

Downloads
43
Likes
0
Rating
0

Yaesu FTM-150R Invisible Desktop Stand | TPU

This is a basic desktop stand for the Yaesu FTM-150R dual-band mobile rig. It sits the radio up 2 inches at a 10 degree slope. The central ventilation ports are totally exposed. There's space under the control head to set down the mic.…

Downloads
40
Likes
4
Rating
0

Lego Vending Machine Eggs

After building the Lego Vending Machine, I wanted to be able to fill it to the rim with more little egg-like containers. I created the egg model at the same dimensions as the ones in the Lego build. They snap together solidly and stay…

Downloads
35
Likes
6
Rating
0

XT60-M Flush Panel Mount | Hole Model

Allows flush mount of an XT60-M connector in a panel of at least 4mm thickness. Designed to work this this connector: https://www.amazon.com/dp/B0CFGT2WVV Included: Hole necessary for opening 5mm thick hole testing model Source:…

Downloads
34
Likes
14
Rating
0

QIDI Plus4 Handle Covers | Flush with Case

I thought it would be nice to replace the ugly useless handles with simple covers. Remove the screws and handles, and set aside. The covers gently pry out with a small slotted screwdriver if needed. Or, tap a screw hole in the middle and…

Downloads
32
Likes
3
Rating
0

Mini metered switch box

I decided to try printing with TPU to make the switch boxes more heat resistant and more playful. There's zero tolerance between the lid and the bottom supporting lip, so it slips on easily and stays put. If printed with something rigid,…

Downloads
32
Likes
8
Rating
0

3D Print & Laser Cut Squareness/Tolerance Checker

I wanted to compare fit and tolerance between my 3D printer and my brother's laser cutter. I also wanted a way to verify squareness. Description of Cuts: Four 1.0mm square holes print two and turn one 90 degrees to verify squareness 3mm…

Downloads
30
Likes
5
Rating
5

Header Soldering Helper

Has slots to hold the pins in place and a shelf for the 2.54 mm cubed plastic spacer on the header assembly. A lower shelf holds a rim of the board being soldered to, and the pink spacers (heights 4 3 2 1 0.4 mm) are used to level it. To…

Downloads
28
Likes
8
Rating
0

QIDI Plus4 Tangle Sensor Tool | Third Hand

I needed a third hand to hold the tangle sensor tube while I depressed the PTFE holder with one hand and inserted the tube securely with the other. Printed in PETG for flexible strength. Used the Plus4 Strength profile. Added a 8mm brim…

Downloads
25
Likes
2
Rating
0

Long Wire Antenna Fence Board CLIPS | Ham Radio & SWL

I needed to fix up my long wire antenna that had been lazily drooped over and through the backyard fence boards haphazardly. I thought about looking for something at a hardware store, but this seemed like an easy 3D printing solution…

Downloads
25
Likes
6
Rating
0

Strain Relief Lozenges (Non-Rx)

I needed a good solid strain relief for a permanently-embedded USB cable in a project. I looked on this site but could not find anything small and simple like this. I needed one for a 3.5mm cable, and I decided to make a variety of them…

Downloads
20
Likes
2
Rating
0

Snap & Tolerance Gauge

A set of boxes and lids with varying fit tolerances and snapping dot depths to be used to find the most comfortable snapping / unsnapping, and also reliably staying snapped. Basis: Snapping dots are half of a 3mm sphere, with solids on…

Downloads
18
Likes
0
Rating
4

FluxTune Artificial Ham Radio | Arduino & AD9833 Based

Update 7/2/2025: The device firmware is complete with a v1.0 release, creating the user experience of ever-appearing CW stations as you turn the tuning knob. https://github.com/jhogsett/FluxTune/releases/tag/v1.0.0 Update 6/27/2025: There…

Downloads
16
Likes
3
Rating
0

Vacuum Tube Simulation | 500W RF Power Amplifier Tube

I am working on a simulated Ham Radio 2000 Watt Linear Amplifier. As part of it I need four simulated 500 Watt RF Power Amplifier tubes. The eventual amplifier simulation will include a box and some controls. Besides simulated an RF amp,…

Downloads
14
Likes
2
Rating
0

Magnetic Connecting Shapes

These are magnetic squares, triangles, hexagons and octagons that easily connect to make compound shapes. At each node there's a 6mm spherical chamber with a 5mm magnetic ball inserted. The ball is free to rotate so the shapes connect to…

Downloads
14
Likes
4
Rating
0

Remix of RTL-SDR Tripod by Code-Sandbox | Adds Strength

My sample print toppled during the last few layers so it doesn't have the rounded feet, but is great anyway. I recommend at least a brim and possibly a slightly hotter print bed or other ways to ensure adhesion. Mine is printed using PETG…

Downloads
12
Likes
1
Rating
0

Triple Sine Wave Audio Generator | Arduinos & AD9833 Signal Generators

I wanted to combine various parts I had into a useful device for creating sound effects. This uses two Arduino Nanos, three AD9883 signal generators, three rotary encodes, a 20x4 LCD display, and various other components to produce sounds…

Downloads
11
Likes
4
Rating
0

14-Segment Display Frame and Mounting Frame

I'm using 14-segment Alphanumeric displays in various projects in configurations of 4, 8 and 12 characters. Here are frames for individual displays and mounting jigs for combining into models. Displayed are smart thermometers 12 digits:…

Downloads
11
Likes
3
Rating
0

Signal Strength Meter | Addressable LED Based | Arduino

Update: model file “Signal Strength Meter3.stl” lifts 1mm more of the lens out from the panel for better display. It's used in this device: https://www.printables.com/model/1329065-fluxtune-artificial-ham-radio-arduino-ad9833-based I…

Downloads
11
Likes
3
Rating
0

Corner Radius Finder Tool

I often need to find the corner radius on objects I am creating 3D prints for. This speeds up the process. Theory of design Corner radius cuts in values from 1.0 mm to 12.5 mm (slightly less than 1/2 inch) Theory of function Match the…

Downloads
11
Likes
0
Rating
0

Stap-Together Battery Leveller

Update August 7 2026 I printed the box and lid in ASA and the snaps didn't connect and hold, so I've made a version (labeled "Battery Leveller Fixed") with tighter snaps that worked well. The lid fits very snugly and is easily pried off…

Downloads
10
Likes
2
Rating
0

Heavy Duty Tuning-Style Encoder Knob | Hybrid TPU & PLA | Arduino

I'm designing an Artificial Ham Radio, which demands an authentic feeling tuning knob. It feels good to the fingers, and a good spin sends it dialing. Knob printed in TPU 0.16mm Fine Quality 50% Infill for mass Inserts printed in PLA, no…

Downloads
10
Likes
0
Rating
0

Panavise Jaws | Standard Replacements

My Standard Panavise Jaws have become worn. Making 3D printed replacements seemed an obvious solution. Along with each of the usual jaw types I also added one with vertical slots for holding wires. Included: Simple rectangular jaws Jaws…

Downloads
10
Likes
2
Rating
0

Snapping Box Document Sample

The PDF contains step-by-step instructions for creating the project box. Meter: https://www.amazon.com/dp/B071ZRMP65/ref=cm_sw_r_tw_dp_U_x_zzofDbHQDW8KN Switch: https://www.amazon.com/dp/B00A0BAYR8/ref=cm_sw_r_tw_dp_U_x_beofDbXMP4DV9…

Downloads
10
Likes
0
Rating
0

Spy Video Trakr Flags

I have 3 Spy Video Trakr's outfitted with GoPro cameras, Li-Ion batteries and new 3D-printed tracks. I'll be creating videos, choreographing moves between all three. I needed a way to keep track of which controller goes with which device.…

Downloads
10
Likes
1
Rating
0

White Rook Lighthouse Night Light

My brother got himself a laser cutter and, to demo it, he cut me 7 10mm square 2mm thick red Acrylic pieces. I thought they would be perfect for a 3D build, and I wanted the little red windows to matter. I also thought it would be fun to…

Downloads
9
Likes
0
Rating
0

DIY Kitty Door Hinges (TPU)

I created a semi-permanent door for my cat using the back patio screen door. I used Foam Core board, the heavy-duty 7/16" thick kind. The hinges are printed using TPU for flexibility. They are held to the door frame using thumbtacks. The…

Downloads
9
Likes
0
Rating
0

Anytone BT-01 Desktop Stand

A fellow ham wanted a stand to hold his Anytone BT-01 BlueTooth "HT" securely on his desktop while using the plug-in headset. The stand is printed in black PETG. The non-slick cover is printed in black TPU. The unit fits comfortably in…

Downloads
8
Likes
0
Rating
0

Connectable Play Parts | based on Lego Eggs

Printed using PLA. Supports needed for all parts. Some connecting points need fine-tuning after printing; recommend diamond-coated files. Printed on QIDI Plus4 printers. Sources Lego Vending Machine Eggs…

Downloads
8
Likes
2
Rating
0

Samlex Remote Control Stand

Optimized with PLA, not sure how it will fit with other materials. This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/5yqIGnwFnIE Category: 3D Printing

Downloads
8
Likes
0
Rating
0

Solar Panel Frame Grounding System w/ Bricks

Update Nov 14 2025 I added the model with the clips already attached for printing with supports. I printed using PETG and used standard hot melt glue to glue the clips onto the frames. The leveler can be used to hold the clips level while…

Downloads
7
Likes
1
Rating
0

Yaesu FTM-150R + Ford Fusion 2016 Detached Head Mount

Update 10-4-2025: the double-sided tape held temporarily. I have added M3*20 screws after drilling into the backside of the dashboard rails (meeting soft plastic inside). Bracket for mounting the Yaesu FTM-150R detached control head…

Downloads
7
Likes
1
Rating
0

ChronoSphere Chiming Clock & Weather Station

A chiming hybrid analog/digital clock and weather station. ChronoSphere is a feature-packed, Arduino-powered weather clock that blends timekeeping, environmental monitoring, mechanical animation, and ambient lighting into one stunning…

Downloads
7
Likes
3
Rating
0

Remix of DS3231 Side Mount by edringel | Adds screw holes

I use the DS3231 often in projects and I liked the side mount design made by @edringel_23. It occurred to me it would be good to have screw holes as an alternative to using glue. I have a favorite subtractor I used to add recessed M2…

Downloads
7
Likes
0
Rating
0

Triple MOSFET Controller for Arduino

I wanted something that would switch 12V power at high current with low loss, supporting three devices such as high-power LED lamps and motors. I also have always wanted to created a wholly vented box design such as this. Outside, on the…

Downloads
6
Likes
0
Rating
0

Arduino Nano Shutter

In building various long-standing LED projects on breadboards, it would be nice to lock out the on-board LEDs that are ever present. This slips over a USB Micro or USB-C Arduino Nano, with or without the ICSP pins installed, obscuring the…

Downloads
6
Likes
1
Rating
0

Model of a Keurig K-Cup

K-Cup model for use in creating other models, or for any other purpose. Overall Height 45 mm Bounding Box 51 mm x 51 mm x 45 mm Body Cone Upper Diameter 45.5 mm Body Cone Bottom Diameter 37.5 mm Lid Diameter 51 mm Height 1.1 mm Below-Lid…

Downloads
6
Likes
0
Rating
0

SeismoTrak Earthquake Detector | LIDAR & Pb Based

SeismoTrak is an earthquake detector Uses two VL52L0X time-of-flight distance detectors mounted in an X-Y configuration Measures the distance to an 8 ounce lead weight suspended 8 inches Weight is a standard fishing line weight with an…

Downloads
6
Likes
3
Rating
0

5 Volt Power Cube

I needed a reliable continuous source of 5 volts. I've found that power banks tend to shut down if they don't sense a continuous high charging current. I printed in Rainbow PETG to make it car heat-compatible, and because I didn't want a…

Downloads
5
Likes
2
Rating
0

GoPro Desktop Stand | With Wire Minder

I needed a tabletop solution for using a GoPro camera along with my recent model GoPro Fan Mounting System . I added a clip in the back to make the USB cords manageable. Also includes a smaller simpler model for tabletop GoPro mounting…

Downloads
5
Likes
1
Rating
0

Mic Stand Add-On for Yaesu FTM-150R + Ford Fusion 2016 Detached Head Mount

I needed a home for the mic, something strong that wouldn't stand out. Printed in PETG using the “Strength” profile on a QIDI Plus4. Designed to mount on the right side of the Yaesu FTM-150R + Ford Fusion 2016 Detached Head Mount using…

Downloads
4
Likes
2
Rating
0

SimCall Telephone Call Simulator

A keypad-driven telephone call simulator built on an Arduino Nano, capable of producing authentic DTMF dialing tones and realistic call-progress sounds including ringback, busy, reorder, and error tones — for both North American and UK…

Downloads
3
Likes
1
Rating
0

Mustang Mach-E Light Diffuser | 2026 Edition

I have a new 2026 Ford Mustang Mach-E vehicle and I found while driving East during the day that sunlight reflecting off the dashboard hits the overhead light fixtures and reflects again into my eyes causing a distraction and eye strain.…

Downloads
3
Likes
5
Rating
0

Stay Off Stones Artificial Marble Signage

I have a large stone pile in my front yard. People sometimes step on the stones, which is dangerous. I once watched as our postal carrier walked on them after a rain and almost slipped. And a mom let her toddler step on them one day like…

Downloads
2
Likes
0
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0

Remix of Hakko 808 Stand by MikeF | Adds Airspace

I like the original model a lot. I thought it could be a little better if some of the larger sections of plastic could be replaced with airspace. I'd liked the author's teardrop shape so I used it to make the airspace holes. Printed in…

Downloads
2
Likes
1
Rating
0

Breadboard Power Bridge Jig | Precise Cut Strip & Bend

I often need to make jumpers to bridge the upper and lower power rails on standard plastic breadboards. Making the sizing and bending just right was hit or miss and frustration prone. I realized this could be solved with 3D printing. How…

Downloads
2
Likes
0
Rating
0

Garage Door Status Sensing System

I have several projects related to the garage door and all of them need to know whether the door is opened or closed. Status sensing system parts Sensor wall mounting base Sensor arm Door magnet mounting base Magnet extension rod Magnet…

Downloads
1
Likes
0
Rating
0

License Plate Reference Model | North America

While making a custom license plate frame, a realistic model of a North American license plate is handy. Modeled after a California state license plate, using published and measured sizes and positions. Width: ~ 12 inches Height: ~ 6…

Downloads
1
Likes
1
Rating
0

Custom EV License Plate Frame | Customizable

Update Oct 30 2026 Created Version #2 of the license plate frame with these additions: Added Anti-Rotation Pins to the side pillar connection points Added Captive Plate Clips to the bottom section Added separate Left & Right Side Pillars…

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0
Likes
1
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0

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