First Partial Length of Bent Cuboid is the outer edge of horizontal part of Bent Cuboid standing upright, it is equal to the length of first part of Bent Cuboid. And is denoted by lFirst Partial. First Partial Length of Bent Cuboid is usually measured using the Meter for Length. Note that the value of First Partial Length of Bent Cuboid is always positive. Typically, the value of First Partial Length of Bent Cuboid is greater than 0.