Plate 01 · the instrument · scale 1 : 1 at the section

Ninety-six millimetres of aluminium, and what is inside it.

96 mm74 mmfin stack, 10 ×WL-62 batwing lensdriver bay96 dies, two channels

A single hollow extrusion does the structure, the heatsink and the housing at once. Everything else bolts into two slots cut down its length — which is why the lamp can be taken apart on a kitchen table with a 2.5 mm hex key.

Plate 01

Elevation and section, drawn together.

CEILING1204 mmdrop 300 – 2000 mmBENCH DATUM · 1400 mm BELOW THE LENSELEVATION · 1 : 1296 mm741 · fins2 · board3 · lensSECTION A–A · 3 : 1 · MATERIAL EN AW-6063 T66

Drawn by Hedda Vogelsang, 11 September 2025. Tolerances: ±0.4 mm on the extrusion, ±1.5 mm on the finished length. The lens line is the only curve in the whole lamp.

Eleven parts. Where each one is from, and what it weighs.

Total 4 612 g. Nothing on this list is bonded shut; every line is a part you can order from us by its code for as long as we are here.

CodePartMaterialMassMade
WL-01Body extrusion, 1 204 mmEN AW-6063 T66, graphite anodised 20 µm2 180 gSuhl, 94 km
WL-04End cap, left (gland)Cast aluminium, bead blasted186 gJena, in house
WL-05End cap, right (blank)Cast aluminium, bead blasted172 gJena, in house
WL-08Louvre, 11 blades0.8 mm aluminium, black anodised264 gJena, in house
WL-19LED board, 2 × 48 diesAluminium core, 2.0 mm, 2 oz copper398 gErfurt, 62 km
WL-24Driver, DALI-2, 100 WPotted, −20 to 50 °C410 gBamberg, 148 km
WL-31Diffuser film, 0.3 mmSatin polycarbonate, 31° half-angle28 gZwickau, 172 km
WL-62Batwing lens, 1 204 mmCast PMMA, 62 mm chord604 gSuhl, 94 km
WL-70Suspension pair, 300–2 000 mm3 mm steel cable, gravity lock244 gBamberg, 148 km
WL-77Ceiling rose, 92 mmTurned aluminium, same anodise118 gJena, in house
WL-90Rotary control, detentedMachined knob, 24-step encoder8 gJena, in house

Hang it at 1 400. Everything else is a compromise.

The lens is designed around one distance. Go higher and the pool spreads and thins; go lower and the louvre stops protecting the seated eye. We ship 2 000 mm of cable so you can get to 1 400 from most ceilings, and we will tell you if yours is wrong.

1000 mm1 980 lx · pool 0.72 m² · UGR 211400 mm1 180 lx · pool 1.08 m² · UGR 161900 mm640 lx · pool 1.74 m² · UGR 14PLATE 06 · DROP COMPARISON · SAME LAMP, SAME OUTPUT
Finish

Graphite, 20 µm, and nothing else on the list.

Hard anodising at twenty microns, sealed hot, run in one tank on a Monday. It is darker than most architectural greys and it marks less than paint. There is no white version, no brass version and no custom RAL — a second colour would mean a second anodising run for forty lamps a month, and the cost of that lands on you rather than on us.

What the sheet says
A dark grey anodised surface raking across a soft highlight
Anodise sample 14-B, lit at 30° — the only time the finish shows any grain at all

Drawings, on request.

We will send the DXF of the section, the ceiling rose template and the full photometric file so your electrician and your architect can argue with us before you buy anything.