: The "allowable error" (because perfection is impossible). Surface Finish : How smooth or rough the part needs to be.

: Heat treatments, coatings, and hardware requirements.

: Exactly what the shape, size, and material must be.

Before the Industrial Revolution, "making things" relied on craftsmanship and verbal instructions.

Today, an Engineering Drawing for Manufacture is the final checkpoint of the design process. It captures: : The physical form.