Adjacent-numbered pages: BP849 BP850 BP851 BP852 BP853  *  BP855 BP856 BP857 BP858 BP859
left-finite, right-finite, left-full, right-full, finished, experimental, funny
nothing [same | bigger]zoom in left (nothing) | zoom in right (nothing)
Aaron David Fairbanks
https://en.wikipedia.org/wiki/Equidiagonal_quadrilateral
Adjacent-numbered pages: BP1050 BP1051 BP1052 BP1053 BP1054  *  BP1056 BP1057 BP1058 BP1059 BP1060
hard, antihuman
fill_quadrilateral [smaller | same | bigger]
Jago Collins