1. An apparatus for determining dimensions of a cuboidal object, comprising: a longitudinally extending platform having a surface; a first, downwardly facing distance sensor disposed above the surface of the platform; a second distance sensor at one side of the platform and facing laterally thereacross; and third and fourth distance sensors disposed along a longitudinal edge of an opposing side of the platform from the one side, the third and fourth distance sensors, substantially facing each other and facing substantially along the longitudinal edge of the opposing side.