Printrbot Simple Acme knob
thingiverse
A printable knob and locking nut for the Printrbot Simple v2 with 1/4" Acme threaded rod on the Z axis. Instructions The .stl file includes both the knob and a locking nut, since Acme nuts are hard to come by. Print them both, thread the nut onto the top of the Z-axis rod, then thread the knob on after it. Tighten the nut against the bottom of the knob - finger tight, no wrenches needed - to hold it in place. If you would like to tweak the parts, both OpenSCAD files are included. You'll need the Screw Library as well: http://www.thingiverse.com/thing:8793
With this file you will be able to print Printrbot Simple Acme knob 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 Printrbot Simple Acme knob.