Magnetic Drafting Protractor and Circle Drawing Tool
One solid metal tool draws clean circles and arcs, reads angles and traces shapes. Pocket-sized, magnetic and ready wherever you work.
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One solid metal tool draws clean circles and arcs, reads angles and traces shapes. Pocket-sized, magnetic and ready wherever you work.
One portable metal tool that draws circles, arcs and angles and doubles as a template and bottle opener
- drawing perfect circles freehand
- measuring angles without a full protractor set
- carrying multiple drafting tools
- tracing shapes and templates
Draw perfect circles and angles anywhere
Freehand circles come out lopsided and a full drafting set fills your bag. This one solid metal tool draws arcs, measures angles and works as a template.
Every cutout is cut for a clean line
Circles that stay round
The metal pivot cup holds a fixed center, so every arc repeats cleanly. Seat it, set the arm, and draw concentric circles from one point.
Scales you can read
Angle and centimeter/inch scales are printed on the metal, so you measure directly without reaching for a second tool.
Metal that lasts
Solid gunmetal metal resists bending where plastic cracks. It is compact enough for a pocket, and the notch even opens a bottle.
Your first clean circle
- 1Set the pivot cup
Seat the metal pivot cup on your paper over a firm backing sheet.
- 2Place the arm
Set the straight arc arm on the cup and put a pencil in the holder tube.
- 3Draw
Rotate with a light, steady hand. Move the arm for concentric circles.
Everything you need, nothing you don't
- Curved protractor and template arm×1
Laser-cut cutouts and printed angle scale
- Straight arc ruler arm with pivot×1
Adjustable, with pencil holder tube
- Metal pivot cup×1
Anchors the center of every circle
From wobble to exact
The wobble problem
Freehand circles come out crooked. Plastic protractors crack or slip, compasses lose their setting, and a full drafting kit is too bulky for your backpack.
One tool, every job
A pivot cup, arc ruler and template cutouts sit in one solid metal set. Draw the arc, read the angle, trace the shape, and move on.
Characteristics
Reviews
Questions and answers
Yes for classroom geometry, sketching and layout work. Laser-cut edges and printed scales give repeatable lines, and the rigid metal does not flex the way thin plastic does.
The magnet holds on steel surfaces such as steel desks and magnetic boards. On wood, glass or paper-only surfaces it lies flat, so hold it or pin it down.
Lay the protractor arm on the angle and read the printed degree scale. The centimeter and inch markings sit along the ruler edge. Use bright light, since the numbers are small.
Yes. The laser-cut cutouts include circles, arcs and other shapes you can trace with a pencil for consistent results.
You get three metal parts that replace a bag of loose plastic pieces. Metal outlasts cracked protractors and bent rulers, so the cost per use drops the longer you keep drawing.
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Magnetic Drafting Protractor and Circle Drawing Tool