escher-sphere-b PLease share! Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pinterest (Opens in new window) Pinterest More Click to email a link to a friend (Opens in new window) Email Like this:Like Loading... Post navigationPrevious post: the M.C. Escher vase Leave a ReplyCancel reply
