12 mm isometric paper on ISO B5. A triangular lattice with horizontal lines and diagonals at 60° for three-dimensional sketches.

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Drawing & design · FREE PRINTABLE

12 mm
isometric paper
ISO B5 · portrait

A triangular lattice with horizontal lines and diagonals at 60° for three-dimensional sketches. This ready-made sheet uses 12 mm on 176 × 250 mm paper.

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One vector page · Free · No watermark

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Exact specifications

Paper size
ISO B5
Sheet dimensions
176 × 250 mm
Orientation
portrait
Outer margins
10 mm
Triangle edge
12 mm
Row height
10.39 mm

Keep the measurements true. Select matching paper and Actual Size / 100% when printing. A quick printing guide ↗

Put this page to work.

Follow the three line directions when sketching boxes, structures, or repeating motifs. Equal edge steps along the lattice keep the axes consistent.

The measurement to know: equilateral-triangle edge length. Spacing describes the edge of an equilateral triangle, not the vertical distance between rows. Row height is edge × √3 ÷ 2.

On this sheet: triangle edge: 12 mm; row height: 10.39 mm. The drawing area is 156 × 230 mm.

Original vector geometry, generated from the dimensions above. Our measurement methods and references. Use & permissions.

Find your fit.

ISO B5 is 176 × 250 mm. This differs from Japanese JIS B5 (182 × 257 mm). Changing the paper size adjusts the available area; the selected pattern measurement stays the same.

THIS LAYOUT ON ANOTHER SHEET

Try the same sheet in landscape ↗

For a custom margin, line weight, title, or color, open this layout in the studio. For an exact physical print, check your printer’s scale first.