7 in 1 Designer Tool *Magcon is a reinventing design for conventional compass and protractor. * Magcon won't perforate the paper after drawing circles or patterns. * It also doubles as a ruler, which enables you to draw straight lines, curved lines, angles, arcs, ellipses, hexagons, and beautiful arcs. * A short wing, a long straight wing, and a mini curved wing. * Easy to draft grids or mandalas. Official MAGCON (Ddiin Design)