Front bracket (formed J)
Front plate 250 × 125 × 10 mm
Return leg 70 mm, inner bend R10
Wall face → inner face: 80 mm
Back plate
200 × 140 × 10 mm
2 × Ø12 holes @ 160 cc, mid-height
(M10 anchors + washers)
Assembly
Leg butt-welded to back plate face,
10 mm above bottom edge · steel ≈ 5.1 kg
drag to rotate · wheel / pinch to zoom · right-drag to pan