GrandpaCADA parametric 3D-printable flat spring clip for pen pockets, hat clips, badge holders, and tool retention. Customize length, width, thickness, curvature profile (straight / slight-curve / paperclip), mounting style (screw-hole / rivet-hole / bonded-tab), hole diameter, return bend radius, and grip bump at tip.
Best in PETG or nylon.
Part of the 3D Printable Parametric Hardware collection on GrandpaCAD.