How to create empty solid figures?

Questions
,
1

I have tried to use Mathematica functions like Thetraedron[p1, p2, p3, p4] or similar solid figures (printable using Graphics3D[]).
After I compiled:

Graphics3D[Tetrahedron[{{0, 0, 0}, {1, 0, 0}, {0, 1, 0}, {0, 0, 1}}],

I obtained a filled Thetraedron,not useful for a solid geometry problem figure.
What style element should I use to view the 4 vertices polygon empty?
Thank you!

2

Hi AOPS,

Do you mean this?

Graphics3D[{
  FaceForm[None],
  EdgeForm[Thick],
  Tetrahedron[{{0, 0, 0}, {1, 0, 0}, {0, 1, 0}, {0, 0, 1}}]},
 Boxed -> False]
3

Yes, thanks!

4

Try

a={0,0,0};b={1,0,0};c={0,1,0};d={0,0,1};
Graphics3D[Line[{a,b,c,a,d,b,c,d}],Boxed->False]