1970s geometry intaglio print Luxembourg Cube (hexahedron) on a mountain 山の上の正六面体 … Cube (hexahedron) on a mountain
1970s geometry Germany intaglio print seasonal greeting great stellated dodecahedron or? 大星型十二面体、それとも? … great stellated dodecahedron or?
1970s geometry Germany intaglio print seasonal greeting stellated dodecahedron or? 小星型十二面体、それとも? … stellated dodecahedron or?