Thumb Screw for M3 Screws

This is a 3D printable thumb screw designed for standard M3 (3mm) screws.
It provides a textured grip, allowing screws to be tightened or loosened easily by hand without tools. Perfect for quick adjustments, prototypes, enclosures, or projects where frequent disassembly is needed.
 

The design includes a knurled surface for better grip and is optimized for 3D printing without supports.

• Fits: M3 screws (3mm diameter)
• Print orientation: Flat side down
• Material recommended: PLA, PETG, or ABS
• No supports required

A simple and reliable addition to your hardware kit.