Rectangle to Ellipse

A rectangular end to an elliptical end, or an ellipse to a rectangle: concentric, offset, eccentric or with angled faces. A transition between a rectangular 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 rectangle to ellipse is developed, with a worked example · Transitions