Illusion

I found a picture of this online but couldn't find the instructions on how it was built. With some trial and error, I recreated the illusion. Spoiler - don't look at the STP/STL files if you want to try to figure it out. Build Instructions: https://www.instructables.com/id/Wooden-Illusion/ OK, watching the video is the easiest way to see how it works: https://youtu.be/b3vbaZP2cL8