Full Discloser: I made it at Techshop and I highly recommend anyone near one to check them out.
Wood for a frame: roughly 1" x 1" and should be made of some kind of hardwood
Wood for the poster: I used a walnut plywood with 3/16" thickness
Routing bit that matches the thickness of your wood for the poster
Techshop Classes Needed:
LAS101: Laser Cutting and Etching SBU
WOD101: Wood Shop SBU
WOD201: Jointer, Planer and Table Router SBU