Library › Hardware › Base with a rocker pivot and shaft stand

base 438 × 100 × 8 (y −60..40)

base 438 × 100 × 8 (y −60..40): 4 × Ø3.4 for the two pivot posts and 4 for the two crank stands, each with an M3 nut pocket (5.5 AF) from the underside

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")

Dimensions

featurecrank stands
valuex 192.72
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

Base with a rocker pivot and shaft stand: every size, notes, mating features and sources. What base holds a rocker pivot and a shaft?