A 30-60-90 triangle, aka X, 2X, (root 3)X triangle flip flopping around, with associated forms. Shown in 3 color ways: erratic polychrome, red and white, and black and white. 
A 30-60-90 triangle, aka X, 2X, (root 3)X triangle flip flopping around, with associated forms. Shown in 3 color ways: erratic polychrome, red and white, and black and white.