Matthew Shlian is a paper artist whose latest work confronts viewers with precisely constructed geometric figures in 3-D. Here’s how he makes them.

Impossible Figures and Other Stories II won the grand prize at Stuttgart and GLAS in 2017, as well as best Polish fillm at the Animator Film Festival in Poland, while the second entry, ...

Impossible Figures and Other Stories I is the first and—paradoxically—the final part of the triptych. The city, which is its subject, grows not only in space but, most importantly, in time.