looks very good ( but these renders make it look like its made of sugar or something )
the sideview appears good - but from the top, i guess it needs more shape. ( the body is very straight )
the size suggests something of cruiser size. get rid of the smooth edges and check out how the engines of the original ships are done. - they are quite characteristic for each faction. - but it does look very nice indeed.
could be a larger transport / or a freighter, depending on how you scale the windows. - the middle thingy looks like a single cargopod.
My intention was a command ship or a carrier for the Machine Alliance. But maybe I have to redo the whole design. As I said in another topic: machines are pragmatics. So I should stick to more clearer lines.
//So here's the second attempt with harder edges and a closed model: