Diy Thuma Bed . See more ideas about bed, bed frame, japanese joinery. Recently bought the thuma and love everything about it except for the pillowboard headboard. The Bed The Perfect Platform Bed Frame Thuma Bed frame, Modern from www.pinterest.com Written by scott boyd in thuma. I want that joint for a bedframe really bad but thuma is like $900 just for the frame, so heck no. Courtesy of made 4 decor.