Choice of two ellipse templates both suitable for a 0.5mm pen.
Contains 60 ellipses with large axis from 5 to 35mm. Guidelines for easy location of the centre point. For drawing circles in 25, 45, 60 degrees, and isometric projection 35 deg 16'. Size 260x128mm (with ink bosses).
Contains 28 isometric ellipses of 35deg 16' projection with isometric axis 2-60mm. With scales for isometric design. Size 285x135mm with tracing edges.