Free triangle SVG

Impossible triangle outline SVG

Impossible triangle outline, drawn as a line — Impossible triangle outline. The preview is the SVG file itself.

The Penrose triangle as a line drawing: one continuous line 3.2 mm wide round all three bars and the hole in the middle. For pen plotters, foil and engraving.

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	5: 1 outer edge and 4 cut-outs
Cut length	1,236 mm at this size
Narrowest part	3.1 mm at this size
Nodes	34 curve and line segments
Symmetry	3-fold rotation

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)	0.79 mm	314 mm	110	Fine detail: vinyl and paper only, weed with care
2 × 1.73 in (51 × 44 mm)	1.6 mm	628 mm	30	Vinyl, card and thin sheet
3 × 2.6 in (76 × 66 mm)	2.4 mm	942 mm	12	Vinyl, card and thin sheet
4 × 3.46 in (102 × 88 mm)	3.1 mm	1,256 mm	6	Any material, including 3 mm wood and acrylic
6 × 5.2 in (152 × 132 mm)	4.7 mm	1,884 mm	2	Any material, including 3 mm wood and acrylic
8 × 6.93 in (203 × 176 mm)	6.3 mm	2,512 mm	1	Any material, including 3 mm wood and acrylic
12 × 10.39 in (305 × 264 mm)	9.4 mm	3,767 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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