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ZROOPS PAPER LAB · PROJECT
Print it, build it, roll it. Cardstock vehicles with wheels that really turn on skewer axles.
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Every template is unfolded by computer from the same 3D model you see above, then tested in code: each glue tab matches its partner edge to under 0.1 mm, every edge is either a fold or exactly one tab, the flat pieces fold back into the model, nothing overlaps, and every piece fits inside the page margins on Letter and A4.
Solid = cut. Dashed = mountain fold. Dash-dot = valley fold. Grey tabs are numbered: tab 14 glues under edge 14. Check the 5 cm scale bar before you cut.
Built one? Email a photo to hello@zroops.com and we'll feature the best builds.