Cone

Concentric cone to start, or run it to a point. Switch on Eccentric or Offset when the job needs it. Flat pattern in as many pieces as you need.

Large end

Small end0 runs it to a point

HeightBetween the ends, square to them

Diameters are

Plate

Material

Lay out onMean, mid-wall (the default), rolls to size. OD or ID to mark that face

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

PiecesSplit around at equal angles

First seam atDegrees from the 0° line

Lines aroundLayout lines, from the seam

Part tagWritten into the DXF