Zillij — Islamic Geometry Studio

Add Shapes A

Add Shapes

Click to set arc center

Esc = step back · trace CW or CCW

Compass mode

Radius: auto from last arc

Sides

Angle

Pts/side

Radius

Diameter = 200

Pts

Propagate to N

N-fold

Places N copies rotated around the origin.

Or click anywhere on canvas. Cyan ring = snapping to origin.

Rotate & Repeat i

↻ Rotate

⟳ Orbit

Copies

Center X / Y (advanced)

Center X

Center Y

Mirror / Flip Layer i

No layer selected

Axis °

No axis defined

Preview axis

Repeat One Shape i

⟳ Orbit

↻ Rotation

Copies

Center X

Center Y

Lock step × copies = 360°

Step °

Copies

Repeat Entire Composition i

Copies

Step °

Center X

Center Y

Click first alignment point i

Esc to cancel

Click any connector to select it for extending.

Through-line mode i

Generate Line at Angle i

Click to set reference start point

Esc to cancel · mouse side flips direction

Angle °

Symmetry

Propagate to N

N-fold

Line mirrored to all 6 rotational positions.

Extend Connector

Alt+click any connector (from any tool) to select it. Orange = symmetric matches that will also extend. Gold arrowhead marks the end that Extend → will grow toward.

Line Style i

Layer: Construction

Color is set by the active layer — change it via the layer's color dot in the Layers panel (right).

Weight

Symmetry

Propagate to N

N-fold

Tolerance

Click any segment — cuts equivalent segments across all 6 rotational positions.
Every other = alternating positions (great for star points).

Tile Composition i

N-fold

60° per copy · Hexagonal

Angle °

Cols

Rows

Step X 0

Step Y 0

Nudge X i

Nudge Y

Alt. Row/Col Offset i

Row shift

Col shift

Select a layer, position the fold axis, Preview, then Apply.

Fold X

Fold Y

Arrow keys nudge fold axis · Shift = 10×

◈ Bands

⬡ Regions

Closed Regions i

Close gaps ≤ u i

Auto-group by shape type + size i

Max groups

Max sides

Show fills

Create Offset Bands i

Select Style

Mitered

Woven

Outline

Overlap

Width

◈ Strands alternate over/under automatically at each crossing; the under strand gaps beneath the over strand. Width is the TOTAL band width, centered on each drawn line. Preview → click a teal crossing to flip its over/under.

Propagate flips to N

N-fold

Clicking a preview crossing flips it across all 6 rotational positions.

Weave review: click any teal crossing to flip over/under. Gold marker = you flipped it.

0 flips

SNAP

✂ CUT LINES MODE — hover a segment · click to cut (click again to restore) · ⌥ click = capture length → Radius

Layers

Save / Load

Share saves with developer i

Reference Image i

📷

Opacity 50%

Clean Up i

Duplicate lines Short lines (< ) Isolated connectors Simplify regions tol Merge collinear gap Orphaned snap pts

Zillij — Islamic Geometry Studio

Built with Claude Code · Anthropic

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