Where do I find dxf files for puzzle chairs

Help me please if you can dont know where to look

Here is something that might get you going:

https://www.google.com/search?q=dxf+puzzle+chair&rlz=1C1GCEU_noNO821NO821&oq=dxf+puzzle+chair&aqs=chrome..69i57j69i60.5895j0j7&sourceid=chrome&ie=UTF-8