# Make Sx
x, y, z = Sx
Sx = Arrow3D([-1, x],[0, y], [0, z], mutation_scale=20, lw=1, arrowstyle="-|{{!}}>", color="k")
ax.add_artist(Sx)
# Make Sy
x, y, z = Sy
fSy = Arrow3D([0, x],[1, y], [0, z], mutation_scale=20, lw=1, arrowstyle="-|{{!}}>", color="k")
ax.add_artist(fSy)
# Make Sz
x, y, z = Sz
fSz = Arrow3D([0, x],[0, y], [-1, z], mutation_scale=20, lw=1, arrowstyle="-|{{!}}>", color="k")
ax.add_artist(fSz)
# Make Szp
x, y, z = Szp
fSzp = Arrow3D([0, x],[0, y], [0, z], mutation_scale=20, lw=3, arrowstyle="-|{{!}}>", color="k")
ax.add_artist(fSzp)
# Make Sxp
x, y, z = Sxp
fSxp = Arrow3D([0, x],[0, y], [0, z], mutation_scale=20, lw=3, arrowstyle="-|{{!}}>", color="k")
ax.add_artist(fSxp)
# Make we1
x, y, z = we1
fwe1 = Arrow3D([0, x],[0, y], [0, z], mutation_scale=20, lw=1, arrowstyle="-|{{!}}>", color="b")
ax.add_artist(fwe1)
# Make we
x, y, z = we
fwe = Arrow3D([0, x],[0, y], [0, z], mutation_scale=20, lw=1, arrowstyle="-|{{!}}>", color="r")
ax.add_artist(fwe)