Put 4 pieces plus the smiley face into the frame provided.
Sachiko is a 2D packing puzzle with restrictions designed by Frederic Boucher and produced by NothingYetDesigns. Goal: Fit all 4 pieces plus the smiley face inside of the frame. When solved the pieces will lie flat and no force is needed. If you are using force then it is not the solution. Rotations are allowed. Made of laser cut acrylic and metal hardware Frame is approximately: 10 cm x 10 cm x 1 cm / 3.94 in x 3.94 in x 0.39