No more than 3 times the wall thickness to prevent breaking. Designing Bosses

An is any feature that prevents the part from being ejected straight out of the mold (e.g., holes, threads, snaps on the side).

: Imagine trying to pull a plastic cup out of a stack; it’s easier because the sides are slanted. In molding, these slants are called draft angles . A minimum of 1 raised to the composed with power 2 raised to the composed with power

Textures5∘1.5 raised to the composed with power 3∘3 raised to the composed with power