Drawing Compass with Feet - Large-Scale Geometry ToolThis Drawing Compass is specially designed for classroom use with three suction cup feet to securely position it on whiteboards or blackboards. Equipped with a turning handle, it allows teachers to draw precise circles with a maximum radius of approximately 70 cm. The compass safely holds chalk or markers ranging from 6 to 18 mm diameter, including round and square edged writing tools. A scale on the feet indicates the angle of the arms, enabling