
Walk past a noren hanging outside a restaurant, or pick up a tin of Japanese tea, and you will meet one of these patterns long before you learn its name. Seigaiha rolls past in overlapping waves; asanoha looks back at you in six-pointed stars. They feel effortless, and they are not. Every one is built from compass arcs and straight lines, repeating on a grid that has to close exactly. Here are eight traditional geometric motifs, what they mean, and how to draw them cleanly.
Before you draw: get the grid right
Japanese geometric patterns are grid patterns. Nearly everything below starts from one of three foundations: a square grid, a triangular grid set out at 60 degrees, or a compass construction using circles of equal radius. Set the grid out accurately and the motif almost draws itself. Get it wrong by a millimetre and the error compounds across every repeat.
A few habits are worth building from the start:
- Draw construction lines in a hard pencil and keep them light. Ink only once the geometry is right.
- Build one tile, not a whole panel. A single repeat unit — a square, a half-drop, a hexagon — is far easier to correct.
- Test the tile by repeating it three times in each direction. A wonky motif on its own looks fine; a wonky grid is obvious at once.
- Keep line weight consistent. These patterns rely on even, hairline strokes, so a fine pigment liner or a dip pen with a firm nib works well, as does smooth cartridge paper or Bristol board.
Water and armour: seigaiha and uroko
Seigaiha
Meaning “blue sea waves”, seigaiha is a field of concentric arcs arranged in overlapping rows, like roof tiles or fish scales. It is one of the oldest patterns in Japanese decoration and appears on textiles, lacquerware, ceramics and roof tiles alike. The reading is straightforward: calm seas, good fortune, and the wish that prosperity arrives in waves rather than in one tide.
To draw it, mark a row of points spaced one unit apart and strike three or four concentric semicircles above each point from the same centre. The next row sits half a unit across and slightly higher, so it overlaps the first and only the crown of each arch shows. Keep the spacing identical and the arcs stack into that familiar scalloped surface.
Uroko
Uroko means fish scale, and that is exactly what it is: rows of triangles, usually pointing upwards, fitted together so the row above overlaps the row below. It comes from the scales of fish and dragons, and it carries a protective reading — armour for a body, a box or a building. Draw a row of equilateral triangles, then a second row offset by half a triangle and raised so the points sit on the flat tops of the row beneath. Shade alternate rows if you want the woven look.
Six-pointed stars: asanoha and kagome
Asanoha
Asanoha is the hemp leaf: a six-pointed star built from a hexagon crossed by three lines running from corner to corner through the centre. Hemp grows fast and straight, so the motif is associated with healthy growth, and it was traditionally used for children’s clothing and wrapping cloth. It is also one of the easiest patterns to draw, because the geometry checks itself.
Start with a hexagon. Draw three lines across it, each joining opposite corners and passing through the centre, dividing it into six triangles. The star is already there. Repeat the hexagon across a triangular grid, add the same three lines inside each one, and the diamonds that fall between the hexagons complete the pattern.
Kagome
Kagome is the woven-bamboo pattern of a basket: three sets of parallel lines crossing at 60 degrees, producing a lattice of triangles and hexagons with a six-pointed star at each intersection. The name is shared with a children’s game, and the pattern is used as a charm against bad luck. The geometry is the same triangular grid as asanoha, but here you draw the continuous lines rather than stopping at each hexagon, so the eye reads the hexagons as negative space.
Circles and shells: shippo and kikko
Shippo
Shippo means “seven treasures”, a reference to the precious things named in Buddhist texts, and the pattern is made from overlapping circles of equal radius. Set a compass to the grid spacing, then strike a circle at every intersection of a square grid and repeat. The overlapping arcs produce four-petalled flowers and pointed lozenges. It reads as harmony, prosperity and the interconnection of things — a whole idea drawn with one compass setting.
Kikko
Kikko is tortoiseshell: hexagons fitted edge to edge with no gaps. The tortoise is a symbol of long life, so the pattern is a wish for the same. Plain kikko is a quiet all-over texture. Add a small flower at the centre of each hexagon and it becomes hana kikko, much busier and common on kimono. To draw it, tile a hexagonal grid; a template helps, or step a compass around a circle at the same radius, since a regular hexagon’s sides are equal to its circumradius.
Lines and arrows: kojitsunagi and yagasuri
Kojitsunagi
Kojitsunagi is the interlocking “ko” character, a lattice of straight lines that hooks back on itself, related to the Greek key and the Chinese fret. Two colours make it legible. Draw a grid of squares, then in each square set a bar with a stem at either end, alternating the orientation from square to square so the shapes interlock rather than merely sit side by side. The pattern has no obvious beginning or end, which is why it works so well on borders and edging.
Yagasuri
Yagasuri means arrow feathers. Rows of triangles alternate direction so the pattern reads like the fletching of an arrow, repeated. Because an arrow, once loosed, does not come back, the motif was used for weddings and New Year — a wish for a decision that holds. Draw rows of triangles in alternating pairs; the flat edges sit on the same horizontal line and the points meet the row above. It is one of the quickest patterns to draw and one of the easiest to ruin, since a single reversed triangle breaks the rhythm.
Practising well: a short routine
Pick one motif and work at it for a week rather than skimming all eight. Draw the construction at five centimetres, then two, then one. The smallest version is the honest one — it exposes any error in the grid immediately, when the large version still flatters you.
Keep a sketchbook of tiles rather than finished panels, and date them. Copy from real objects where you can: a tenugui, a furoshiki, a tea tin, a bowl. Photograph the surface square-on, count how many repeats fit across the width, and work out the repeat unit before you put pencil to paper. Tracing a pattern teaches you its shape; measuring it teaches you its logic.
If you draw digitally, build a single tile and use a pattern tool to repeat it, keeping the tile and the repeat ratio simple — 1:1 or 1:2. Screen or paper, the rule is the same: the grid comes first, the ornament second. Get that order right and these patterns stop looking like decoration and start looking like what they are — geometry with something to say.
Photo: RosieLea / Pixabay


