I have been using Vectoworks Spotlight for not long for the lighting fixture libraries.   Now I have to work to create the truss library as well.   On the internet I did not find a precise guide, but scattered information that I tried to reconstruct. To create a truss (straight, circular, angular) the procedure should be the following:  - Build the geometry, also inserting two locus points in the center of the lateral cross sections.  - Convert it to a symbol. Insert th