Squaring corners

Shaping and seaming funnels

Folding the edges of sheet metal

Turning up flanges on metal disc

Used to flat edges

Used to taper articles

Used to turn circular disc

Used to squaring corners

Making large diameter thin gauge tubes

Making small diameter thin gauge tubes

Making large diameter heavy gauge tubes

Making small diameter heavy gauge tubes

Geometric construction method

Triangulation method

Parallel line method

Radial line method

Parallel line method

Triangular method

Radial line method

Geometric construction method