How to make solid model

I have a 1½ diameter tube with a 7/8 bore that has a cam profile through the tube for a ½" diameter cylindrical pin, is there a way to make the solid model.

This is basically what I was given, it was a point file for the centerline that I converted to curves.

How can I upload a 2D/dxf cad file?

BTW, I’m using V35 4 axis pro