Sheet Unfolding - Possibility

Elbow with choice of the welding seam, final cover. Transition with centre offset.
Transition with variable number of connections.

Branch with variable number of connections.
Transition square/round with centre offset.

Transition recangular/recangular with centre offset.
Bend square or recangular with centre offset
WEN Sheet Unfolding is an independent program and has been written for thin plate work. 
The unfoldings are made in DXF format and can be used in each modern CAD-Program (example:  AutoCAD).
Sheet Unfolding