[GRASSLIST:6035] Windfarm Modeling

[Paul Shapley]

I want to add a 3d vector layer to a terrain model in NVIZ containing 5 x 100m high turbines in order to visualise the impact at specific points in the nearby villages. 

Can someone suggest the best way to do this in Grass 6.0. I have the co-ordinates of the 5 turbines but no dxf file of the turbines. I'm new to Grass.

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