Punch card

Turn your pattern into a 24-stitch card, either by symmetry or by wave function collapse.

Symmetry Wave function collapse

Card rows

Symmetry options Wallpaper group

Offset across Offset down

Repeat unit: 16 × 16. Widths 1, 2, 3, 4, 6, 8, 12 or 24 join cleanly.

Wave function collapse options Piece size Also learn rotations and mirrors Treat the pattern as repeating Seed

The card loops top to bottom and around the edges.

Source pattern

48 rows × 24 stitches. Dark squares are punched holes.