Wood inlays

Raster the area, cut the shape from veneer or cut two veneers

see also Adjusting for kerf size

Notes

mirror the inlay

Laser cut isn't quite perpendicular along z due to focus, i.e. it's smaller on the top of the cut. So, cut the inlay upside down (i.e. mirror it) so the the outermost part has best chance to fit.

focus to bottom of inlay?

This would make the cut the smallest at the bottom of the veneer, which is the top of the final inlay.