Helix - Circle Ruler

Helix Circle Ruler This dual-purpose ruler also works as a compass, allowing the you to make circles from 1/16 to 12 in diameter. A useful tool for draftsmen, students, artists and crafters who require precise, measured lines. Great for mathematic calculations, technical drawings and designing patterns.

Flexible Drawing Ruler Helix Flexible Curve Technical Drawing

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Using the Helix circle maker

Helix Angle and Circle Maker with Integrated Circle Templates, 360 Degree, 6 Inch / 15cm, Assorted Colors (36002) : Office And School Rulers : Office Products

Drawing Circles? The Best Circle Making Tools for Mandalas and Art Journaling Projects

A T-square is an invaluable tool for drafting, drawing, technical projects and anything that requires a straightedge. This tool features both standard and metric scales. Size: 12 inch.

Helix 12 Plastic T-Square

Vintage Wooden Helix 12 Rule Classroom Ruler

Helix Maped Croc Croc Folding Ruler

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Helix Rulers in Rulers, Compasses & Protractors

The 360 Angle & Circle Maker combines 3 Geometry tools into 1 innovative & exciting product! The 6 diameter outer ring acts as a classic

Helix 360 Angle and Circle Maker