Drawing Perfect Circles: Lessons and Tips About Motor Control
Trying to draw a circle freehand reveals how your arm joints work together. Here is from a month of daily attempts. I spent a month trying to draw perfect circles freehand. Not on a screen, not with a compass, just a pen on paper with the goal of closing the loop cleanly. My motivation was part curiosity and part stubborn challenge after a friend claimed nobody could do it. about my own arm and motor control surprised me more than the circles themselves. Week One: The Wrist Trap My first circles were disasters. They looked like crumpled ovals that tapered at the top where my wrist ran out of range. The problem was that I drew from my wrist, pivoting around a fixed hand position. The wrist has a limited arc of comfortable rotation, maybe ninety degrees, and a full circle requires three hundred sixty. The circle fell apart exactly where my wrist reached its limit and I subconsciously compensated. The fix was drawing from the shoulder. I locked my wrist and let my entire arm swing from the shoulder joint, which has a full rotational range. My circles immediately improved in roundness, though they got larger because the shoulder pivot has a longer radius. More guides are on the Draw Perfect Blog.