indentation, hollow, depression, deepening distortion, deformation effect on checkboard, chekered, squares, pepita pattern,

abstract anything art background camber cavity check checkboard checkered chekered chequred chess chessboard compress convex convexity crater deep deepening deform deformation depression displacement distortion effect emboss free geometric grid hole hollow illustration indent indentation inverse inward irregular miscellaneous monochrome monocrome mosaic optical pattern pepita pit radial royalty square squares surface symmetric symmetrical symmetry texture tile vector warp