An apparatus for calibrating a laser projection system (180, 228), the apparatus comprising: a structural frame assembly (201, 301) extending along three mutually orthogonal axes, the structural frame assembly (201, 301) comprising: a two-dimensional calibration wall comprising a structural frame having one or more upright structural members and one or more lateral structural members that intersect to form a cross-member frame; a first three-dimensional structural assembly comprising structural members (204a, 204b, 204c) that form an outer box configuration when attached to and extended from the structural frame of the two-dimensional calibration wall; and a second three-dimensional structural assembly comprising structural members (212a, 212b, 212c) that form an inner box configuration when attached to and extended from the structural frame of the two-dimensional calibration wall, the second three-dimensional structural assembly arranged between the two-dimensional calibration wall and the first three-dimensional structural assembly; a plurality of non-movable reflective targets (108, 238) disposed on the two-dimensional calibration wall of the structural frame assembly (201, 301), the first three-dimensional structural assembly and the second three-dimensional structural assembly; at least three positioning stages coupled to the structural frame assembly (201, 301) respectively about each of the three mutually orthogonal axes; and at least one movable reflective target disposed on each positioning stage, wherein the non-movable reflective targets (108, 238) and the at least one movable reflective target are each configured to reflect a laser beam from a laser projection system (180, 228). a two-dimensional calibration wall comprising a structural frame having one or more upright structural members and one or more lateral structural members that intersect to form a cross-member frame; a first three-dimensional structural assembly comprising structural members (204a, 204b, 204c) that form an outer box configuration when attached to and extended from the structural frame of the two-dimensional calibration wall; and a second three-dimensional structural assembly comprising structural members (212a, 212b, 212c) that form an inner box configuration when attached to and extended from the structural frame of the two-dimensional calibration wall, the second three-dimensional structural assembly arranged between the two-dimensional calibration wall and the first three-dimensional structural assembly; a plurality of non-movable reflective targets (108, 238) disposed on the two-dimensional calibration wall of the structural frame assembly (201, 301), the first three-dimensional structural assembly and the second three-dimensional structural assembly; at least three positioning stages coupled to the structural frame assembly (201, 301) respectively about each of the three mutually orthogonal axes; and at least one movable reflective target disposed on each positioning stage, wherein the non-movable reflective targets (108, 238) and the at least one movable reflective target are each configured to reflect a laser beam from a laser projection system (180, 228).