Puzzle: free (or lock) the ring
thingiverse
https://youtu.be/hsGLPamqVi0 Small puzzle that I used to make when I was a kid, reborn thanks to 3D printing. The puzzle can be printed already with the ring locked inside or in two separated parts. It's up to you!!! Challenge: You have 5mn to remove (or put back) the ring!!! no extreme force needed, only brainpower!!!! If you win you have my gratitude and respect, if you loose you can leave a tip $$ :) Solution in the video if needed, but I've faith in your brainpower!! There are two ways to print the puzzle: 1: print the puzzle in 1 time using 1_All_in_One_Print.stl 1: 1_All_in_One_Print-v2.stl minor modification to improve printing 2: print using two parts 2_facePart and 2_ring I used PLA, a resolution 0.15mm and an infill of 25% and as you can see, no support needed. Enjoy
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