I’m not sure if this has been found by others…but I found this posted on Thingiverse. These might come in handy…or possibly someone can make a similar set based on GF settings.
Laser cutting materiale template
by Noloxs, published Mar 18, 2015
A simple way of showcasing different possibilities with a laser cutter:
20 engraving shades
3 straight line flex cuts
2 parabolic shape flex cuts
10 square and circular cut sizes
6 font size tests
Also found a couple for Plywood and Cardboard:
Laser cutting material template remixed for K40 Laser
by SkaBoyTD, published Jan 31, 2017
Go to Thingiverse.com and look for the titles I provided.