Jigsaws by Haym: The 4 piece

"JIGS4W" 2D packing puzzle designed by Haym Hirsh. This is the same design that Haym used for his exchange puzzle at IPP41. 

Goal: Place the 4 jigsaw pieces in the frame

Made of laser cut acrylic with metal hardware.

Approximate size: 4.5"x 4.5"