Whilst cleaning up I found an old BT3central post by ejs1097 I printed out from a while back. I had forgotten about it.


I made some changes and whipped out a few in a couple of evenings.
What I liked about them was they hold the sandpaper tight and snug, the bought ones the paper works loose and sags and gets caught and tears.
Also easy and cheap. Also has a square end for sanding into corners and a radius to do curves. I did modify the block so it used thicker stock...