2階建てのテンセグリティ

Today's challenge is a two-story tensegrity structure. I also tried to make a three-story structure, but it failed. More robustness is needed.

今日の挑戦は2階建てのテンセグリティ。3階建てにも挑戦したが失敗。さらなる堅牢性が必要だ。