How far a wall body reaches past one end of its axis, in metres, measured along the axis at each face. Positive extends past the end, negative trims back from it. Equal values are a square cut.
At the left face (left of Start -> End).
At the right face.
How far a wall body reaches past one end of its axis, in metres, measured along the axis at each face. Positive extends past the end, negative trims back from it. Equal values are a square cut.