Motif

Ring grid pattern — free hatch (.pat), texture & 3D tiles

Ring grid is a stone layout built from 1 tile per repeat (sizes 60 × 59.9 mm), repeating on the lattice a = (83.3, 0) mm, b = (0, 83.3) mm, a cell of 6939 mm². The seamless texture repeat is 83.3 × 83.3 mm. Download it as a CAD hatch, a seamless texture or SVG and DXF lines, count the tiles for your room, or build it as real 3D tiles in SketchUp. All free.

Ring grid tile pattern: tiles drawn with their joints

Ring grid in numbers

CategoryStone, paving and cobble
Tiles in one repeat1
Lattice vector a(83.3, 0) mm
Lattice vector b(0, 83.3) mm
Repeat cell area6939 mm²
Tile sizes60 × 59.9 mm
Seamless texture repeat83.3 × 83.3 mm
Default pitch83.3 (range 40–300)
Default ring diameter (fraction of the pitch)0.72 (range 0.3–0.95)
Default wall (fraction of the ring radius)0.1 (range 0.05–0.5)

Free downloads for Ring grid

The PAT files are approximate: this pattern has edges that a PAT line family cannot draw exactly, so they are drawn as stepped lines. SVG and DXF are exact.

Hatch units are millimetres at the default tile size. For other sizes use the hatch page or the editor, which exports every format at the size you set.

Ring grid tile calculator

Enter the room, grout and tile size. The count comes from the same engine that lays the 3D tiles, so the cut tiles are real cuts against your room edges (a 4 × 3 m room is shown first). More patterns: tile calculator.

Full tiles
1728
Cut tiles
0
Whole tiles used
1728
Area (net)
0.93 m²
Tile area bought
0.93 m²
Waste from cuts
0 %
Tiles to order
1901
Tiles by size
SizeFull tilesCut tiles
60 × 59.9 mm17280

Open it in the editor or in SketchUp

Open Ring grid in the editor

Use it in SketchUp (10 free uses a day) motif.rbz

Questions about Ring grid

How many Ring grid tiles do I need for a 4 × 3 m room?

With the default tile size and a 3 mm joint, a 4 × 3 m floor needs 1728 full tiles and 0 cut tiles (1728 whole tiles counting each cut tile as one). The net area is 0.93 m² and the tiles bought cover 0.93 m², so cutting alone wastes 0 %. Enter your own room and tile size in the calculator on this page.

Is the Ring grid hatch exact?

Not entirely. A PAT file can only hold straight dashed line families, and Ring grid has edges that no such family reproduces exactly. The file draws 102 edges as a staircase of horizontal and vertical steps of 4.2 mm, within a fraction of a step of the true edge. The SVG and DXF downloads are exact.

How do I use the .pat file in AutoCAD?

Copy the .pat file into a folder that is in AutoCAD's Support File Search Path (Options > Files), keep the file name (the pattern name inside the file matches it), then pick the pattern in the HATCH command. If Windows blocks the download, right-click the file, open Properties and tick Unblock.

How do I use the .pat file in Revit?

In Revit open Manage > Additional Settings > Fill Patterns, click New, choose Custom and browse to the .pat file. Use the model variant when the pattern must keep its real size on the building.

What is the repeat size of Ring grid?

One repeat of the lattice covers 6939 mm² with 1 tile. The smallest rectangle that repeats seamlessly in both directions, which is what a texture image needs, is 83.3 × 83.3 mm at the default sizes.

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