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Stunning. From ‘Perspectiva corporum regurarium’, Wenzel Jamnitzer, 1568. http://www.factum-arte.com/resources/files/fa/exhibitions/dossier/web_dossier_jamnitzer_Jan2016_final.pdf …pic.twitter.com/qdGocsX7Oh
Apparently Jamnitzer experimented on developing this drawing technique for over 40 years, and was a celebrated goldsmith by trade Some better quality pictures here: http://bibliodyssey.blogspot.com/2009/08/jamnitzer-perspectiva.html?m=1 …
I wonder how different this looks to people who are good at geometry 
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