what program should i use to import objects intto and modify the object?

[superasoilder]

hi can anybody tell me because i am making this game and i need something that can import objects so i can modify them.

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[Godik7]

What kind of game are you making?

[superasoilder]

i am making a game that your in gangs and you can buy stuff and new cars and stuff am gunna make guns in it and am gunna put it online. anywho i tried importing one of the objects in milkshape 3d but i cant see it.

[brickybob]

So...a Grand Theft Auto clone?
P.s, Don't use run-on sentences.

[superasoilder]

well back to the subject how do i make the model bigger to see because i import the modle but i cant see it.