Beam with a dovetail on its upper 15 mm

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

Dimensions

dimension	dovetail
value	8 → 13 mm, 10 mm deep, upper 15 mm of the beam

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From the full sheet

Ari kake (dovetail beam housing): every size, notes, mating features and sources. What is an ari kake joint?

Other sizes

Girder with a dovetail socket open at the top
All parts in their assembled position (each part its own solid)