Simple Drawer Knob
by Gemini64, published
I needed drawer/door knobs for my printing station cabinet. I modeled one in FreeCAD. It does not require support. The small screw hole may need to be redrilled.
I attached the original FreeCAD file which is completely parametric (through a GUI, not by handling code like OpenSCAD). You can edit the Sketch underneath the Revolve feature at the top of the Project tree. To edit the hole size, edit Sketch001 underneath the Pocket feature. Leave a comment if you need help editing the file.
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I printed in ABS with 0.30mm layer thickness. Hole should be 3.2mm diameter but it printed a lot smaller. I redrilled with a 9/64" drill bit (3.6mm) then used #8 wood screws. Equivalent in metric would be 4mm.
Self-threading screws might be best but you don't find them at the local hardware store. The wood screws worked fine.