Library › Mechanisms › Bayonet joint: two studs in L-slots, locked by a 30° turn

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

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

STEP STL free, Xem Studio Design License — 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

Bayonet joint: two studs in L-slots, locked by a 30° turn: every size, notes, mating features and sources. How does a bayonet joint lock?