Calculator will calculate the necessary dimensions for the construction flat pattern segments lobsterback bend, elbow , tee piece, frustum cone and truncated pipe, truncated cone with an accessible vertex and triangulation method, Truncated Pipe Layout or Pipe cut at any angle Flat Pattern, Pipe to Cone intersection at Perpendicular to Axis Flat Pattern, Pipe Truncated by Radius Flat Pattern, Full Cone Layout Flat Pattern, Rectangle to Round or Square to Round Transition layout Flat Pattern, Ro