Customizable Knurled Knob

thingiverse | Free

Update (11 July 2022): The design now provides for an additional round thru hole. ...

Hollow Calibration Cube

thingiverse | Free

This is a hollow 20mm cube for calibrating your 3D printer! Cubes are hugely popular ...

Bridging Test Customizable

thingiverse | Free

Customizable design for testing bridging. You can use one of the pre rendered parts ...

Knurled Box

thingiverse | Free

Please use the new one. This one is cool, but I should have put the inside threads ...