These filing sticks can mount sand paper 37mm x 25mm (Now with a jig). It uses a snap on clip to fixture the sand paper onto the block. You can engrave your own text onto the pen handle using Prusa Slicer text tool.
Requirements:
Note: use a spudger to push the sanding paper into the corners of the grooves. To remove the Lock/Clip use a spudger to pop it off.
May require drilling and tapping the screw holes.
The author marked this model as their own original creation.