Here is an “impossible” version pictured with a high degree of realism. The two points where the linear edges must overlap have been purposely confused. The resulting figure produces an even more jarring figure-ground dilemma, likely to be interpretted as humorous or upsetting.
Published by James Dean
James is the manager of moillusions.com. He spends his time finding the most popular optical illusions so that YOU keep coming back to your site for more! Check him out on https://plus.google.com/u/1/109932087769818686311/ View all posts by James Dean