Knutson: Four-layered Rotational Symmetry IV
Knutson: Vertical Brackets
Knutson: Vertical Ascending Brackets
Knutson: Horizontal Brackets
Knutson: Horizontal Ascending Brackets
Knutson: Converging Brackets
Knutson: Vertical Contracting Brackets
Knutson: Split Symmetrical Field II
Knutson: Split Symmetrical Field III
Knutson: Triptych I
Knutson: Vertical Triptych
Knutson: Double Diamonds Field
Knutson: Vertical Expanding Brackets
Knutson: Zigzag I
Knutson: Expanding Horizontal Zigzag
Knutson: Vertical Expanding Zigzag
Knutson: Inverting Tipped Field
Knutson: Vertical Meshing Wedges #1,
Knutson: Horizontal Meshing Wedges #2
Knutson: Horizontal Diamonds #3
