That is not the only issue, mirrors don&#x27;t really work the way one naively imagines. See for example this video [1], mirrors have their appearance between about 10 and 15 minutes into the video. Reality won&#x27;t match the simple mathematical model even ignoring the corners and having a door is the correct solution in practice.<p>[1] <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=NumSE2LvSmQ" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=NumSE2LvSmQ</a>