Thangs can't preview this massive file, but it's included as an attachment in the download
These auxetic structures swivel and expand in surprising ways! This is a 22x22 variation has stacked hinges to add strength and rigidity... it took me over 6 pounds of filament and nearly 2 weeks of continuous printing and if you try this you have to be a little bit insane o.O
Printing Guidelines
Fairly loose requirements, just make sure your printer isn't overextruding and has decent cooling so none of the parts fuse. I used 0.16mm layer height, 3 shells. No supports!