I created these small and simple sanding / sharpening tools so I could sharpen my carving knives with the sandpaper I already had and a small leather strop that came with a carving kit that I had. These are both designed to fit on the A1 Mini (diagonal orientation for the stropping board) and they are support free.

For the sanding block you just need a couple of the small bulldog style paper clips to secure the paper in place. The stropping board is designed for gluing a small piece of leather and then using with a stropping compound.

Have fun printing and enjoy!