Here’s the full commentary by Lebbeus Woods, worth a read.
"When rummaging though her extensive library, Aleksandra Wagner discovered a pattern book of the old city of Prague. Similar to a dressmaker’s pattern book, it is meant to be cut up, very precisely, and assembled into a three-dimensional paper model. Designed and printed in the early 1970s, in Czechoslovakia, it is remarkable in several ways:
First: in that pre-computer era, all measurements of the actual architecture had to be made by hand—a formidable task in itself.”
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