Of course, nacelles on their sides are a feature of Trek ships; the Constellation class has this particular engine type in that orientation, say.
There's always also the option that these models were put together by kids whose proud parents overlook the assembly errors... Or, say, Sisko overlooks or even appreciates the fact that lil' Jake threw the model of the Daedalus class together from random pipes and drinking bottles and whatnot and glued a baseball in place of the actual primary hull, too!
Timo Saloniemi
There's always also the option that these models were put together by kids whose proud parents overlook the assembly errors... Or, say, Sisko overlooks or even appreciates the fact that lil' Jake threw the model of the Daedalus class together from random pipes and drinking bottles and whatnot and glued a baseball in place of the actual primary hull, too!
Timo Saloniemi