Free triangle SVG

Sierpinski triangle SVG

Sierpinski triangle, as a solid black shape — Sierpinski triangle. The preview is the SVG file itself.

The fractal made by cutting the middle out of a triangle, then out of each triangle left, four times over: 40 holes in four sizes. Each hole is cut slightly small so every corner stays joined.

Download SVG PNG DXF

Free for personal and commercial use, no sign-up. What you can do with it.

What is in the file

Size	100 × 87 mm (3.94 × 3.41 in), scales to any size
Pieces	One piece: it holds together when cut
Outlines to cut	41: 1 outer edge and 40 cut-outs
Cut length	1,120 mm at this size
Narrowest part	2 mm at this size
Nodes	243 curve and line segments
Symmetry	3-fold rotation and mirror

Measured from the file. PNG: 2,000 × 1,742 pixels, transparent. About the three file types.

Will it cut at your size?

Scaling a design scales its thinnest part too. Here is this one at seven sizes, from 1 to 12 inches on its longer side, with how many copies fit a 12 × 12 inch sheet or mat.

Size, width × height	Narrowest part	Cut length	Fit on a 12 in sheet	Rule of thumb
1 × 0.87 in (25 × 22 mm)	0.51 mm	284 mm	110	Fine detail: vinyl and paper only, weed with care
2 × 1.73 in (51 × 44 mm)	1 mm	569 mm	30	Vinyl, card and thin sheet
3 × 2.6 in (76 × 66 mm)	1.5 mm	853 mm	12	Vinyl, card and thin sheet
4 × 3.46 in (102 × 88 mm)	2 mm	1,138 mm	6	Vinyl, card and thin sheet
6 × 5.2 in (152 × 132 mm)	3 mm	1,707 mm	2	Any material, including 3 mm wood and acrylic
8 × 6.93 in (203 × 176 mm)	4.1 mm	2,276 mm	1	Any material, including 3 mm wood and acrylic
12 × 10.39 in (305 × 264 mm)	6.1 mm	3,414 mm	1	Any material, including 3 mm wood and acrylic

The narrowest part is the thinnest neck that holds the design together; sharp tips are not counted. For wood and acrylic, keep it at least as wide as the sheet is thick. How to open the file in Cricut, Silhouette and laser software.

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