Basic Instructions For Points In Space

I need just basic instructions to construct a 3-d model of mere points in space and rotate those points in any directions I need. I do have x, y, z components of all the points. The points may have 2-d flat shapes of many orientations. The orientations should change as directed by the user.

Thank you very much.

John A Gunther, New Orleans, LA jagunther804@gmail.com