Description

The semicircular touch protractor is a drawing tool useful for blind and partially sighted people. Clear, black, raised markings help you draw and measure angles.

The protractor was designed as a teaching aid for people with visual impairments. Its diameter is 15 centimeters.

The tactile markings are additionally covered with black paint. Long, convex lines 1 mm high mark the angle values ​​- 45 degrees, 90 degrees and 135 degrees. Medium-length lines are spaced every 10 degrees, while short lines, dashes, are spaced every 5 degrees.