Collision 2D with 3D object

I have a simple answer...
If i use a 3d model instead of 2d sprite for my action game,when i want to do collision between the 3d model and some background object made with 2d image,i can find problem or blitz can handle them?
Thanks

In Blitz3D, sprites exist and work just like any other entity including collisions. However I think the collision radius HAS to be set to something specific (whether Box, Sphere or poly etc.) when dealing with Sprite collisions.

ok thanks a lot :)