This is a 3D puzzle of a butterfly. It is made of 1 mm plywood by using a CO2 Laser Cutter.
more information and other projects you will find under: mydsgn.jtronics.de or jtronics.de/modellbau.html
Here you will find all my other projects on thingiverse.com/jtronics/things
it is very easy to assemble all the parts