3D Printed Gears, Pulleys, and Cams Contest | Hackaday.io

38 projects

A mechanical battering ram that uses gears and a reciprocating motion mechanism to convert the rotational into linear motion of the ram.

Mechanical Battering Ram

inProgressDesigns

Was this food jar in your fridge opened 1 week or 2 years ago?

Date Stamp Dispenser

Thin wires (through the center of a helicopter's blades) support and provide power for the toy.

Hanging Toy Helicopter

mike-rigsby Mike Rigsby

I want to build my own useless machine, but with an articulated finger which snakes out to switch itself off. I'll start with a backscratcher

Useless Machines

Printed desk toys demonstrating the function of a tourbillon for those that can't afford a stratospherically expensive mechanical watch

3D-Printed Flying Tourbillon Models

An automata music sequencer using cams, gears and pulleys to program the note sequence. Music generated by 555 square wave output.

Automata Music Sequencer

dean-segovis Dean Segovis

A 3D-printed 10000 : 1 gear reducer and control hardware used for astrophotography

Astrophotography Camera Mount

Designing a compact coaxial gearbox that can fit in the neck of a 3D printed motorized lamp.

Making a Coaxial Gearbox for a Rotating Lamp

marciot marciot

Design of involute gear tooth profiles and hints and tips for 3D printing real gears to do work.

3D Printing Gears and a Planetary Gearbox

A 3D printed design of a classical membrane barometer

3D printed cute barometer

marius-taciuc Marius Taciuc

A hand-cranked reel for managing the Vive sync cable in a portable VR setup

Vive Lighthouse Sync Cable Reel

With the exception of the motor and power supply, Darth is a 100% 3D printed automata of Darth Vader.

Darth

greg-zumwalt Greg Zumwalt

Commercial syringe drivers are large, heavy, and expensive. This device does not control for volume over time. *Not for medical use!*

3D Printed Syringe Driver

anthony-tamalonis Anthony Tamalonis

A drawing machine created using gears and a 3d printer!

Drawing Machine

This Arduino based robot was recreated from a 2013 UC Berkeley paper and can crawl under some doors.

STAR, an Arduino Robot Recreation

Hackaday Prize 2019

Terrain-going quadruped. 3D printable. Two servo drive.

Landbeest walking robot

160 RPM electric ice auger

3D printed electric ice auger

Internet enabled lock for main door

IoT Main Door Lock

danielblanquez daniel.blanquez

By combining 3d parts, gyro, and a stepper, I made a programmable foot pedal for my cheap GTAW welder! General remote knob turner.

3d Printed knob turner - remote TIG amp control!

3D printable Pick and Place tape feeder for the Arcus-3D-P1.

P1 - Buddha Tape feeder

Hackaday Prize 2019

with only 8 3D-printed parts, this servo is very easy to assemble and very robust.

3D-printable high torque servo/gear reduction

brian-brocken Brian Brocken

Always Moving Forward

Stagger

jarrett Jarrett

This project shows how to generate gears in OpenSCAD that can be used to transmit torque between two non-parallel, non-intersecting shafts.

Crossed Helical Gears in OpenSCAD

marciot marciot

Move the interactive smiling gears or adjust the arms on the support men--whatever makes you happy!

Happy Gear Table

mike-rigsby Mike Rigsby