(M) Retro Squares & Octogons - C - Tetradic & Neutral Dark Green - 4 x 6''
01855847 - p4 symmetry group
01855848 - p4mm symmetry group
01855849 - p4gm symmetry group
Hoopoe indigo bunting blue jays cedar waxwing hummingbird birds in tetrad
birds in tetrad color scheme blue jays bluebird goldfinch gouldian finch
birds in tetrad color scheme Red cardinals Eastern bluebirds junco budgies
Toucans gouldian finch and cardinals-birds in tetrad color scheme
