Only you know. The purpose of a technical drawing is to tell the manufacturer exactly how to make your part, and to do so without any potential confusion. If they follow your drawing to the letter ...

Drawings can be created at any stage of the design process. They can range from rough sketches of first ideas to more detailed technical drawings. A technical drawing is a detailed and accurate ...

But if you didn’t take a technical drawing class (typically Engineering Drawings 101), how do you learn? Well, if you have 15 minutes, this is an excellent video, which speaking from experience ...