Gored elbow

Segmented elbow at any angle and radius: two half gores on the ends, full gores between, every joint cut the same.

Pipe

Made from

Pipe size

Wall

Bend angleDegrees. 90 is a quarter turn

Bend radiusOn the centerline. 1½ × OD is long radius

PiecesCounting the two half gores

TangentsOptional straight past each end

Lay out onOD (the default) for a wrap on the outside. ID to burn a pattern for the bore

Weld gapRoot opening, straight across the weld. Half comes off each side so the fitting holds its size

Template starts atDegrees from line 1. Blank starts at line 1

Lines around

Template stockSets the wrap stretch-out

Part tagWritten into the DXF