SheetMorph

Cones

Cones whole, round to ellipse, cut on the skew, in several plates or run to a point. Each of these opens in the browser with default sizes that already give a verified flat pattern: change them to yours, check the drawing, add seam and flange allowances, and export.

Round to Round

Reducers and cones between two round ends: concentric, eccentric, offset or inclined.

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

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.

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

Cut by a Plane

A right cone with its top, or both ends, cut by an inclined plane.

• Top cut
• Both ends cut

Multi-Section

A large cone made of several plates: equal segments round it and courses up it.

Rain Cap

A conical cap that runs to a point, as over a flue or a vent, with or without a skirt round its rim: the sector it is rolled from.

• Cone only
• Cone with a skirt