Oval to oval transition flat pattern (flat oval reducer)

Changes from one flat oval (obround) duct size to another, with both ends parallel and centred. Each oval is two half circles joined by straight sides.

Between two ovals (two half circles joined by straight sides) of different sizes, parallel and centred.

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