Interval begin = Interval (begin_[DOWN], elevation + mount.begin_[UP] + padding);
Interval rest = Interval (rest_[DOWN], elevation + mount.rest_[UP] + padding);
return Line_shape (begin, rest);
Interval begin = Interval (begin_[DOWN], elevation + mount.begin_[UP] + padding);
Interval rest = Interval (rest_[DOWN], elevation + mount.rest_[UP] + padding);
return Line_shape (begin, rest);