What do you think?

PS: Small Purple lines at the end of corridors/connections mean weldable spots (to open the connection)

[img=http://img218.imageshack.us/img218/9219/nsmapconceptsz6.th.jpg]

Triangle Layouts, like the one you are using here, can be difficult. Check out ns_enceladus (an updated version is in the Map Pack 1), which uses the same hive layout. The problems with this kind of layout are that the runtimes between hives can be high, the runtimes between MS and hives can be low, and sieges can often be overpowered (as they can be placed close to MS to cover vast areas of the map). Enceladus used the layout well, but it still has its issues.

For Nexus I used something similar to the Triangle Layout, being the Pyramid Layout. It has very strong benefits over the standard Diamond Layouts, but it has its own problems. Namely dealing with the vertical aspect. Siegeing the middle hive from underneath took me awhile to get right, and the Comm View had to be placed extremely carefully for optimal r_speeds. Etc.

If you're new to mapping, and especially NS mapping, you should probably stick with a standard diamond layout.