All the casework is hand-scribed in, uniquely, so you can't just cut 100 parts for 100 trailers, you have to cut them big, and every single one is hand-fit.
枠型も一つずつ手加工ですので トレーラー100台分の100のパーツを切り出すことは不可能です 手作業用に大きめに切り出す必要があります