Gambit== how to draw a 180 degree curved rectangular in gambit
 

hi,

I need some guide on how to draw the 180 degree curved rectangular in gambit.
i tried using sweep but

ERRor: The chain to be swept is parallel to the path

How can i do it with sweep function?

https://lh6.ggpht.com/QYt58mprKe5bxv...i9NuiyA3Q=s100