Mechanical Drawing Exercises (art tutorial, instruction)

[Mr. Analog]

As discussed on Saturday here is a good guide for mechanical drawing exercises. These are essential skills for being able to draw basic shapes as well as just training muscle memory for curves / lines

Source:
http://darrencalvert.tumblr.com/post/141933666794/people-often-say-to-me-you-draw-like-some-kind