Back plate: axis 20 mm from the wall, 40 mm overhang on each side. Front plate: axis 160 mm from the wall. Distance between axes: 140 mm. Clear gap between plates: 120 mm. Top: 440 × 220 × 20 mm (semicircle, R220). Bottom plate: 420 × 210 × 20 mm (semicircle, R210). Back plate: 360 × 20 × 680 mm (rectangle). Front plate: 200 × 20 × 680 mm (rectangle). Height 720 mm, Width 440 mm, Depth 220 mm.
