Offset rectangle to round transition (off-centre square to round)

Used where the round pipe cannot sit over the middle of the rectangular opening, for example against a wall or beside another duct. You set the top offset along the length and along the width; the round top stays level.

Rectangle to round with the round top moved off centre.

Sizes you enter

What you get

The exact flat pattern of the part, worked out for the sheet thickness measured on the inside, the mean or the outside, with numbered press lines, the part in 3D, its weight and cutting length, and a DXF for laser, plasma or waterjet cutting (STEP as well).

Other variants