Free ruler SVG

Half-circle protractor ruler SVG

Half-circle protractor ruler, as a solid black shape
Half-circle protractor ruler. The preview is the SVG file itself.

A protractor with a notch every ten degrees round its arc, longer at every thirty, an open window and a straight ruler edge along its base with a centre mark.

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

What is in the file

Size100 × 56 mm (3.94 × 2.2 in), scales to any size
PiecesOne piece: it holds together when cut
Outlines to cut3: 1 outer edge and 2 cut-outs
Cut length707 mm at this size
Narrowest part5.3 mm at this size
Nodes121 curve and line segments
SymmetryMirror

Measured from the file. PNG: 2,000 × 1,154 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 × heightNarrowest partCut lengthFit on a 12 in sheetRule of thumb
1 × 0.56 in (25 × 14 mm)1.3 mm180 mm160Vinyl, card and thin sheet
2 × 1.12 in (51 × 28 mm)2.7 mm359 mm45Vinyl, card and thin sheet
3 × 1.68 in (76 × 43 mm)4 mm539 mm18Any material, including 3 mm wood and acrylic
4 × 2.24 in (102 × 57 mm)5.4 mm718 mm10Any material, including 3 mm wood and acrylic
6 × 3.36 in (152 × 85 mm)8.1 mm1,077 mm3Any material, including 3 mm wood and acrylic
8 × 4.48 in (203 × 114 mm)11 mm1,437 mm2Any material, including 3 mm wood and acrylic
12 × 6.72 in (305 × 171 mm)16 mm2,155 mm1Any 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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