I forgot to take "before" pictures. Sorry :-)
I didn't use any stencils ~ this is all free hand which would explain the non-uniformity of some of the patterns ;-)
A shot from above. I painted the desk top with chalkboard paint. I had a heck of a time finding chalk. I finally ended up with sidewalk chalk.
Top and front of the desk
Some more detail
Back of seat
Seat detail
Top Detail