https://www.youtube.com/watch?v=hEbW_qBTIfk
http://www.rockler.com/waterlox-original-sealer-finish-quart
"An amazing 3D hardwood floor inlay design. Zsolt Paul Golenya of
Lighthouse Laser Arts has developed a way to produce truly 3D inlay
designs. Traditional marquetry is combined with carvings and
burning, yet made completely flush and can be sanded and finish the
same as 2D inlays."