Origami Tutorial: Half Belt Tetrahedron (Tomoko Fuse)｜折纸教程：几何体再度来袭~半包围三棱锥（布施知子）

Half Belt Tetrahedron (Designed by: Tomoko Fuse) My Paper: Pear Luster Crumpled Paper*2 pieces Bilibili/Youku/AcFun Channel: 高冷的Malinda ( ... #!...) Instagram: Malinda_HLH ( ... ) Weibo: Mali