About this 3D model
Found an excellent model by roblpetty (on Printables) for mounting a magnet bar to my work desk. Just what I needed! Oops. My magnet bar is a bit larger. Adjusted in blender to suit a larger magnet bar I found at harbor freight or some other store - who can remember these things (27mmx15mm ish). Added a desk hook (about 30mm) while I was at it so that drilling wasn't strictly necessary. Kept orientation such that magnet could be hooked on top side of table with handles pointed inwards.