Modeling 3d object and import it into the flash?

i am wonderin what could be the best software outhere that we can model things apply texture and have the “able” to import it into flash with a Great quality ??

you guys could immediately say 3d max , cinema 4d and such

but: i want answers the include the difficulty steps, and for the quality reasons what software should be used…

PS: I am asking it for an socket-RPG game that i have been workin on i have come to the step to actually design it so i want it to be 3d