PipeDev — Rectangular Transition

Rectangular Transition

Rectangle-to-rectangle duct, optionally offset — triangulation development.

Principle & formula

Bottom width (A)

Bottom depth (B)

Top width (a)

Top depth (b)

Height (H)

Top offset X (ex)

Top offset Y (ey)

Advanced — material & allowance

Material thickness (t)

Hem / seam allowance (a)

Second plate (companion)

Grey lines are the corner fold lines. Each face is a skew quadrilateral split into two triangles, so the outline is a true triangulated development.

Print at 100% scale. Dimensions are in millimetres.