内切球

A = Point(xAxis)
C = Point(yAxis)
D = Point(zAxis)
E = (-0.42497147006072766, 0.43321275325561137, 0.4236342179151154)
b = Sphere(E, 1 - 3^(-1 / 2))
F = Point(xAxis)
a, faceACF, faceACD, faceCDF, faceADF, edgeAC, edgeCF, edgeAF, edgeAD, edgeCD, edgeDF = Pyramid(A, C, F, D)
B = PointIn(b)
G = PointIn(faceADF)
H = PointIn(faceACD)
M = PointIn(faceACF)
g = Segment(G, E)
h = Segment(H, E)
i = Segment(E, M)
f = Segment(E, B)
j = Segment(E, D)
k = Segment(F, E)
l = Segment(E, A)
m = Segment(E, C)