Making a part size go over 2048?

So basically lets say you have a model with the

local ModelSize = select(2, ModelGetBoundingBox()). 

and basically for this if its over 2048

I theoretically cannot make a part go over 2048

so is there any equation or script to make it so that parts pile ontop of each other to make it exactly the same size as the model

for example if the model was sized 4000,4000,4000 how would i use a script

or any idea on how I would script this ?

so that the parts would match 4000,4000,4000 in vector3 size