Center Drill Aid

Drilling Guide to drill centric holes onto cylinders.
Design consists of 3 parts:
- a body (yellow)
- a slider (red)
- a bottom (gray)

Move the slider so that 2 cylinder surfaces are touching body and slider.
Hole in "bottom" will mark the center of the cylinder.

Current dimensions are for small diameters (< 25 mm) . Models could be printed larger and dimensions can be adjusted in the FreeCAD model.