from tetrahedron to geodesic dome frequncy 2 circumscribed sphere 建设 edge divisor 07†¦10 从四面体的测地线拱顶频 2
from tetrahedron to geodesic dome frequncy 2 circumscribed sphere 建设 edge divisor 06†¦10 从四面体的测地线拱顶频 2
from tetrahedron to geodesic dome frequncy 2 circumscribed sphere 建设 edge divisor 05†¦10 从四面体的测地线拱顶频 2