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Marblevator, Pick and Place.
"Marblevator, Pick and Place" is the latest in my Marblevator series of mechanisms. This Marblevator incorporates a "pick and place" mechanism to move the marble (ball bearing) from the end of the track to the start of the track.
Pick and place mechanisms were more common before the introduction of robotics to manufacturing assembly lines. This mechanism utilizes a rhombus that is rotated, expanded and contracted by control links. The orange and purple links form the rhombus, and the blue, yellow, green and silver links form the control links that rotate, expand and contract the rhombus. The design is based on conceptual models by "Arglin Kampling [Third Gen]" and "thang010146", albeit with numerous changes.
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 Cura 4.12.1, and 3D printed in PLA on Ultimaker S5s.