Since i did not find any fretsaw table on Thingiverse i decided to give it a go.
What I made is this simple fretsaw table for use with a Prusa clamp [https://www.thingiverse.com/thing:3278454].
I also got some anti slip pads and glued one on the bottom so it does not move even when vigorously sawing.
fretsaw-table.stl | 19.8KB |