Precondition is, that a component has a 3D-model. Most packages in TARGET 3001! are furnished with 3D models. Dive through your TARGET-Layout and inspect the layout elements from all sides. By the use of the STEP 3D export you will be able to print your "assembled" board physically in 3D prior to real assembly.
Download TARGET 3001! example project Pic.T3001
Plastic 3D model. How does that work?
The following images will give an impression on the usability of the 3D function in TARGET 3001!:
How much is it?