Not necessarily. You could save each element separately and support them. Import to construction kit, export the supports as 3ds, and now you have supports.
clearly someone has never seen a Geeuhvunohlah coaster supported before. its the kind of support work which is close to box supports yet not quite.
also, what are the amount of g-forces B&M tends to stay in between? or is this a total custom design allowing for 5 g turns?