Storm Door Turning Mechanism 2：雨戸回し2

A record of a mechanism that is being lost. Continuing from yesterday's storm door turning. It is simple because the pillar does not interfere when passing through an inward-facing corner.

失われつつある機構の記録。昨日の続きの雨戸回し。内向きのコーナーを通過させる場合は、柱がじゃまをしないからシンプル。