Folded work
Parts folded from flat blanks, with no rolling. 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.
Box or Tray
A box, tray or pan folded from one blank: a base with four sides turned up, with or without a flange round the top.
Open Box or TrayStraight Duct
A straight length of rectangular duct: one blank wrapped round to one seam, two L-shaped pieces, a U and a flat side, or four sides.
Open Straight DuctGutter Mitre
A box or half-round gutter cut on a mitre for an outside or an inside corner: the blank with its folds and the mitred end.
Open Gutter Mitre