Library › Hardware › Rhombic drive crank pin Ø3 × 17

Ø3 × 17 crank pin

Ø3 × 17 crank pin: through the gear web, a 1 mm gap, the lower and the upper link

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")

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.

Set it up →

From the full sheet

Rhombic drive crank pin Ø3 × 17: every size, notes, mating features and sources. What crank pin does a small rhombic drive use?