Thank you all!

Thank you all for suggestions! I'll try several plugins, and result will come

Hi SU users!
I've been using SU for so long time, and this time I need 3D Mero Structure to fit
in some part of my project. Is there any shortcut for modelling this thing?

http://www.steelconstruct.com/references/fiches/germany/mero/mero.jpg
http://www.columbia.edu/cu/gsapp/BT/BSI/SPACEFRAME/img0016.jpg

Something like this