Tactile compass
With this model a blind user is able to draw circles with tactile feedback
circle
Derivation of the Area of a Circle
Separate circle segments (11x 1/12) and 2x 1/24) to derive the area of the circle. The parts can first be
Zirkel | Drawing Compass
Drawing compasses for tactile drawing using a drawing board and drawing foil. Three different versions are available: 1cm grid with