Custom Knex Parts
grabcad
This project includes custom-made 3D printable K'nex components, all of which function superbly. Feel free to contribute your own ideas for additional parts. The following pieces are available: a one-to-one size gear, a pair of two-to-one ratio gears, a rack (similar to the blue gear), and a worm (also similar to the blue gear). For printing purposes, no supports are needed, and I recommend using 20% infill. Post-printing procedures include drilling large holes with a 1/4" bit and keyholes with a 5/32" bit. Additionally, you may want to smooth the gear tooth edges by sanding them down for safety reasons.
With this file you will be able to print Custom Knex Parts with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Custom Knex Parts.