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Marblevator, Paddle Lift.
The inspiration to design, 3D printed and assemble "Marblevator, Paddle Lift" came from the Laurent Chate' Meccano ping pong ball lift 4 from over seven years ago. I designed this model to occupy a much smaller space and to eliminate the springs used in the Meccano model by incorporating magnets.
As usual, I probably forgot a file or two or who knows what else, so if you have any questions, please do not hesitate to ask as I do make plenty of mistakes.
Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.12.1 Engineering profile, and 3D printed in PLA and TPU on Ultimaker S5s.