Star of David Tesselation

This was very fun to draw, but I had to touch it up a lot afterward to straighten the lines (I don't always use rulers either). I love tesselations and other geometrical oddities like the work of M.C. Escher.



Colored Version 
(not my favorite, but it might be easier to see)

Swirls

Pretty fun to do.





Solution

Starfish

This starfish is radioactive!

Plain

Chain-mail

I had this one in my head for a long time before I managed to draw it. It was going to be bigger, but turned out to be so complicated to draw that I decided to keep it small. Again, I drew these circles freehand without any compass or tracing.



Black & White

Twisty

I think I got the idea for this from a fancy breadstick.




Solution