Anyone got an idea how best to print this?

Anyone got an idea how best to print this? http://people.zeelandnet.nl/sx538/Vertex_3D_models/boom%20sec1_fixed.STL
I am getting disappointing results. (Specially the thin beams seem to get very blobby. (See image)

I use flow at 76% and temperature 190 to begin with, and lower it to 176 when it starts on the tubes.