Drawing Day 5: Hollow Objects

Today's exercise was to draw more cubes and ellipses, but with a focus on making them look three dimensional. I found out that thickening lines can get an effect that makes it look like shadow, noticeably on outside edges. Today's doodles (after throwing away 3 pages of scratch) includes a tumbler, a milk carton a hollowed out cube, a blimp, a tetrahedron, and a beer bottle. The beer bottle took on a soda bottle unfortunately, since the center ellipse was drawn too high up.