Library › Mechanisms › Heart cam with roller follower

Assembled mechanism, all parts placed (STEP keeps each part separate)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

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From the full sheet

Heart cam with roller follower (uniform motion): every size, notes, mating features and sources. Why is a heart cam heart-shaped?