The designer of this puzzle, Alfons Eyckmans, has kindly given his permission for this new puzzle design to be shared for personal use. It is released here under a non-commercial licence. Please respect this.
This is a 6 piece puzzle. You need to print 3 copies of Spies_8_08_010_S1.stl and one each of the other three pieces.
The puzzle is Level:188.8.131.52.3 which means it takes 24 moves to get the last piece in during assembly (or 24 moves to get the first piece out during disassembly).
Use the included Burr Tools file to see the solution if you need help (you probably will need help!)
Original design created and shared on Facebook by Alfons Eyckmans.
The wooden copy of the puzzle was made by Alfons.
Digital model files created in and exported from Burr Tools program by me.
(.xmpuzzle file included here for convenience)