curvature−1 (constant)
geometry{7,3} · poincaré disk
distance from origin0.000
cells in view-
cell under cursor-
frame-
drag travel scroll zoom click a lit cell open the sketch

Nº 012026

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    drag inside the cell -

    esc or × sets it back in the lattice · click any other lit cell to switch

    How this works

    The page is a {7,3} tiling of heptagons in the Poincaré disk, three heptagons to a corner.

    Eight cells are lit, and each holds a small geometry sketch. Click one to bring it to the center and open it. Drag inside it to turn the sketch.

    A navigation experiment by Keith Reed.

    no frameworks · canvas 2d · curvature −1

    KJR · NAVIGATION EXPERIMENT, 2026

    IMPOSSIBLE
    SPACES

    A menu laid out on a hyperbolic plane. Eight of the cells are lit.

    drag to travel · scroll to zoom · click a lit heptagon