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Ultimate shelf pin (3mm 4mm 5mm 6mm 1/4in 0.25"), customizable, no support

plastirat

September 7, 2025

Description Comments Tags

Description

Parametrizable FreeCAD source is provided to adjust dimensions, but I also uploaded a couple of STLs with varying dimensions for pin diameter (3/4/5/6mm, quarter inch), pin length (8mm, 10mm), with/without the extra flap that sits between the shelf and the board right next to it. Slightly chamfered pin edge to make it easier to insert.

This can be printed without support with the orientation in the STL. The H-shaped part that sits on the bed should usually provide enough adhesion - add a brim if not sure. Print with 100% infill for strength.

Book shelf, cabinet shelf support, replacement for IKEA furniture (5mm diameter pins) and other brands.

License:

Creative Commons - Attribution - Share Alike