TetraCenter.py

from pygeo import *

v=display(scale=60)

point1 = FreePoint(-19.,4,-3,pointsize=1.5)             #FreePoint
point2 = FreePoint(-20,20,4,pointsize=1.5)                 #FreePoint 
point3 = FreePoint(14,14,0,pointsize=1.5)              #FreePoint
point4 = FreePoint(0,-3,30,pointsize=1.5)              #FreePoint

TetraCenter(point1,point2,point3,point4,pointsize=2.5,color=RED)

#reference objects
sphere=Sphere(point1,point2,point3,point4,color=WHITE,style=LINES)
v.pickloop()