@remus said:
the main things you can do to reduce file size is to reduce the number of polygons, make sure the textures your using arent too big and to only apply detail where you need to.
reducing the number of polygons isnt too hard, usually just means using fewer segments in circles (to change the number of segments jsut type in th number youd like, while youve got the circle tool selected, but before you draw your circle.)
Now i tihnk aobut it, adding detail is also in this category. Be careful aobut how you add detail to your model you need to be quite selective about what you add, you need to try and work out which details are really going to make a big difference to the look of the model, compared to superflous detail. EG imagine i was modeling a window for an exterior, id probably spend a while making a good frame but wouldnt bother with a really detailed lock, as your not really going to see it.
Textures: this applies mainly if your using photo textures. Anyway, if your using photo textures, the image file is inlcuded as part of the SU modle, so a 3 mb photo will add significantly to the size of the model. Obviously you can shrink the photo down to make it more reasonable.
theres definetly some stuff ive missed, and im sure someone will point it out in a second.
thanks for the input.
I've only used colours, and there are no textures involved. My polygon count is 122000, which isn't high. And the only major details i add are to the facade and the seats.