welding bends

[naughtyboy]

i need to make a frame up where i will welding 2 90degree bends together.
one will lay flat the other join to it but going up dont mind making jig as got to do about 8 of them in total.
whats best way of doing it?

 

[astro_al]

Make a jig that holds them where you want them.

Weld them together.

Al.