Have you tried googling, using those words ? I am sure you will find some examples. Most will be in VB and not C#, but the calling methods can be copied and pasted as they are.
There are some 3rd party controls that help designing 3d shapes.
Last, you can call the Graphics.{} methods (like .drawline, .drawrectangle, etc) of object that support it, and then use your imagination to draw.