Recessed Downlights Scallops Visualiser | Stetra Lighting Recessed Downlights Scallops Visualiser Compare scallops based on offset from the wall and beam angle. Offset from wall (feet): 1 1 ft2 ft3 ft Fixture / Beam angle 30° 40° 55° 60° ="noopener">Request Lighting Plan More Lighting Tools Recessed Lighting Spacing grid & first-pass layout IES Viewer Photometric data & polar plots Lumen Calculator Target lux / foot-candles Cable Size Quick wire sizing checks