black and white concave rectanguless expanding from the center. optical illusion of perspective, volume and depth

abstract abyss background black cell center chessboard concave concentric deform depth design dimension distortion expanding from geometric graphic grid hall helix hole illusion illustration line monochrome optical pattern perspective rectangle rectanguless repetition rotation shade shape soft spiral square stage stair straight strip striped suitable swirl texture torsion tunnel twirl twist vector volume vortex warp whirl white winding