Unroll a Circle into a Rectangle
From 4 slices to 32
Tap + to add slices: 4 → 8 → 16 → 32. The right-hand row of wedges quietly straightens — the more slices, the more it resembles a real parallelogram.
Slice & Rearrange
More slices → the pieces line up into a near-perfect parallelogram (base ≈ πr, height = r).
4 slices
slice to ≥ 32