See Section 13.10.3 for general polygons in the plane.
The polygon command creates general polygons in space.
Example.
Input:
A:= point(0,0,0); |
B:= point(3,3,3); |
C:= point(0,0,3); |
D:= point(-3,-3,0); |
E:= point(-3,-3,-3) |
polygon(A,B,C,D,E) |
Output: