Rafter 15 × 30 at 30° with the bird's mouth notch

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	notch
value	seat cut and heel cut, about a third of the rafter depth

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From the full sheet

Bird's mouth joint (rafter seat): every size, notes, mating features and sources. How deep is a bird's mouth cut?

Other sizes

Wall plate (20 × 20)
All parts in their assembled position (each part its own solid)