Select Sharp Edges(辺の鋭さで選択)

参照

Mode(モード):

Edit Mode(編集モード)

Menu(メニュー):

Select(選択) ‣ Select Sharp Edges(辺の鋭さで選択)

Adds edges at sharp corners to the selection.

注釈

This operator does not deal with edges that were manually marked as Sharp. To select those, first select one Sharp edge by hand, then use Select ‣ Select Similar ‣ Sharpness to add the others.

Options(オプション)

Sharpness(シャープ)

The minimum angle for an edge between two faces to be considered sharp. The angle is measured between the face normals, meaning that coplanar faces have an angle of 0° (not 180°) and sharp corners have greater angles than dull ones (not smaller).