This falls into the odd request category - at least for me. My wife just finished a 2000 piece puzzle and 3 were missing. Bugged the heck out of her.
She asked me to glowforge the 3 missing pieces. I took the challenge, after all - it gave me something to play with
This was challenging - maybe I should have done it differently (like trying to forge cut directly using outline mode), but I traced the missing pieces onto a bit of paper, scanned it, fixed it up in Gimp to create a solid filled body (learned several new tricks there), pulled that into Inkscape for a bitmap to path conversion, and then printed the result using some cardboard. They fit perfectly.
And I don’t want to do that again