Tangent rectangle to pipe, 90°: trunk pattern

A rectangular duct with rounded corners runs square into a round trunk with one side flush with the trunk's side, as on a tangential inlet to a cyclone or a round main. The trunk is developed flat with the exact hole the duct cuts in it.

A rectangular duct square to a round trunk, one side flush with the trunk's side; the pattern is the trunk with its hole.

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