Parametric design of an simple hook in the free and open source OpenSCAD. Use with the Customizer in OpenSCAD. Customizable hook that can be changed in length (both horizontal and vertical), width, thickness, radius of the hook, type of edge (fillet or chamfer), radius of the edge, diameter of the screw holes.

To activate the Customizer select Window in the menu bar and then Customizer.

By choosing the size of the fillet or chamfer make sure that the sum of each fillet (or chamfer) stays well below the width of the hook.

V1.1 has the option to add a countersunk to the screw holes.

If you’re interested here is an explanation of some parts of the code: https://homehack.nl/openscad-parametric-hook/

OpenSCAD is software for creating solid 3D CAD objects. It is free software (GPLv2) and available for Linux/UNIX, MS Windows and Mac OS X.