Very similar to the less clearly-defined solution "tiles itself with infinitely many copies (different sizes allowed) vs. does not".
The left hand side of this is a weaker condition than the left hand side of BP1241.
Adjacent-numbered pages: BP1111 BP1112 BP1113 BP1114 BP1115  *  BP1117 BP1118 BP1119 BP1120 BP1121
notso, perfect, infinitedetail
connected_fractal [smaller | same | bigger]
Aaron David Fairbanks