Round to Ellipse

A cone from a round end to an elliptical end, or from an ellipse to a round: concentric, offset, eccentric or with angled faces. A cone between a round end and an elliptical end, either way up: concentric, offset, eccentric, with inclined ends, or offset and inclined together.

• Concentric
• Centre offset
• Eccentric
• Angled faces
• Combined offset + angle

How the round to ellipse is developed, with a worked example · Cones