Event Horizon L Wall Sconce in Acrylic Glass
by Catrinel Sabaciag · Cluj-Napoca, Romania

88x88x9cm (35x35x4")Acrylic GlassMDF

A wall sconce by Catrinel Sabaciag in acrylic glass, where a white LED produces colour through birefringence and refraction alone — no pigment. Named for the boundary at a black hole’s edge.

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Certificate of authenticityAll pieces on ADORNO are authentic and studio-made. To verify that, a certificate, signed by the maker, is always included in the box.
€1.963
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Import duties may applyWe declare all pieces as original duty-free works, however, your local customs office makes the final decision. Learn moreAll taxes includedWhat you see is what you pay. No hidden costs.
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Open Edition
Ongoing series by the maker. Slight variations may apply.
Made for you
You will get pictures of the final piece before shipping
Delivered between1 – 8 Nov
We arrange insured delivery from door to door.
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  • 14 days return policy In the rare event, you receive a piece that you are not fully satisfied with, you can return it within 14 days of receipt for a full refund except return shipping costs. Made-to-order items are not eligible for return.

Shipping and delivery
Ships fromCluj-Napoca, Romania
Delivery toyour location
Estimated delivery dateNovember 1 - November 8
Custom Crate110x110x35cm, 50kg
  • Tracked from studio to doorstepYou receive a tracking link as soon as the piece leaves the studio, and can follow it through every carrier hand-off until it reaches your door.
  • 100% insured, door to doorEvery shipment is fully insured from pickup to delivery. If anything happens in transit, you are covered for the full purchase price.
  • All made to order purchases are finalThis piece is produced specifically for you once you order, so it cannot be returned or exchanged.
  • Duties and taxes may applyWe declare all pieces as original duty-free works, however, your local customs office makes the final decision. Learn more
Specifications
Dimensions LxWxH
Piece Weight (kg)

17

Production Year

2025

Material

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Technique

,

Color

,

Design Class

Open Editions

FAQ
How does the acrylic glass produce color without any pigment?

The lamp uses a single white LED, and all the colors you see come from birefringence, refraction and reflection within the acrylic glass itself. No colored pigment or filter is used.

Is a light bulb included?

Yes, the piece uses an LED light source as part of the fixture. For exact specifications like wattage or replaceability, use Chat with the maker on this page.

Can this wall sconce be customized?

Yes, this piece can be customized upon request — contact the maker directly through Chat with the maker to discuss options.

How long does it take to receive this piece?

This is a made-to-order piece, usually shipping within 4 weeks of order.

What is the sconce made of and how do I care for it?

It is made from acrylic glass, MDF and oak wood. Specific care instructions aren't listed here — ask the maker via Chat with the maker for guidance.

How is the sconce installed and what are its dimensions?

The piece measures 88 x 88 x 9 cm and weighs 17 kg. Installation details aren't specified here, so reach out to the maker directly for mounting requirements.

Can I return this piece if I change my mind?

Made-to-order pieces like this one are excluded from the standard 14-day return policy.

Does the piece come with a certificate of authenticity?

Yes, a certificate of authenticity is included with this piece, and shipping is insured worldwide.

What is a sconce?

A sconce is a light fixture mounted on a wall rather than standing on a surface or hanging from the ceiling. The word originally described a bracket holding a candle or torch against a wall, which is why candle sconces still exist alongside electric ones. Today it covers any wall-mounted light: hardwired, corded or non-electric.

What is the difference between a sconce and a wall lamp?

In practice, very little — the terms are used interchangeably, and most makers use whichever suits the piece. Where a distinction is drawn, "sconce" tends to describe a decorative fixture sitting close to the wall, while "wall lamp" is the broader term that also covers picture lights, swing-arm reading lights and larger projecting fixtures.

How high should wall sconces be hung?

150–165 cm from the floor to the center of the fixture for general wall positions — approximately standing eye level. The exception is any sconce you will use while seated or lying down, which should be considerably lower. If the bulb is visible from where you normally stand or sit, the sconce is too high or too shallow.

How high should sconces be beside a bed?

100–120 cm from the floor, roughly 60–75 cm above the mattress, and 15–25 cm out from the side of the bed. Sit up in bed before committing: light should fall on the page without the source entering your eyeline, and the switch should be reachable without leaning out.

Where should sconces go next to a mirror?

Flanking it, in a pair, with the centers at about 165 cm and 75–100 cm apart, so light crosses the face evenly from both sides. This is the arrangement that eliminates shadows under the eyes and chin — a single fixture above a mirror does the opposite.

Do you have plug-in sconces, or can I avoid hardwiring?

Some pieces are supplied with a visible cord intended to run to a socket, which is the usual solution for renters and for walls that cannot be chased. Most, however, are designed to be hardwired. The wiring method is stated on the product page — ask us before buying if a corded version is essential, as it is not something every studio offers.

Are there battery-operated or rechargeable wall sconces?

Very few, and none as a standard feature of this collection. Cordless wall lighting is dominated by mass-produced fixtures, whereas these are handmade pieces built around a wired light source. If you need a genuinely cordless solution, a rechargeable table lamp on a shelf or a wall-mounted candle sconce will serve you better than adapting a hardwired piece.

Do you have peel-and-stick or no-drill sconces?

No. Adhesive mounting is only viable for very light, hollow fixtures, and these pieces are made in stoneware, glass, brass and solid wood — they need a fixing appropriate to their weight and to your wall type. Product pages list weight; check it against your fixings, especially on plasterboard.

Do you have candle sconces?

A small number of designers make non-electric wall pieces for candles, which need no wiring at all and can go anywhere a fixing will hold. They give a very different light from an electric sconce and suit dining walls, entrances and fireplaces. Our candleholders collection includes related wall and tabletop pieces.

Can I use a sconce in a bathroom?

Only with an IP rating appropriate to the zone, and the rules differ by country — the area around a bath or shower has stricter requirements than the wall beside a mirror in a well-ventilated room. These are handmade decorative fixtures intended for dry interior use, so ask our curation team before specifying anything for a bathroom.

Do sconces come with their own switch?

It depends on the piece. Hardwired sconces are typically operated from the room's wall switch, which means planning the circuit in advance. Some designs include an integrated switch on the body or an inline switch on the cord — worth confirming if you want to control the sconce independently, particularly beside a bed.

Can I get an adjustable or swing-arm sconce?

A few designs pivot or rotate, which is useful for reading in bed or lighting artwork precisely. Most pieces here are fixed, since the form is the point — the light direction is set by the shape of the shade rather than by a mechanism. Filter by piece and check the description, or ask us for the currently available adjustable designs.

Description

Event Horizon L is a luminaire by Catrinel Sabaciag, part of the Onnda Collection, meant to bring the same wonder as gazing at the night sky. Its name borrows the cosmic term for the boundary around a black hole from which nothing, not even light, can escape.

The light source emits only white light; every colourful shade comes from optical phenomena — birefringence, refraction and reflection — rather than pigment, the result of the studio’s material innovation.

Onnda luminaires are built from locally sourced, certified materials such as FSC-certified wood, made to order by local artisans with in-house assembly to reduce waste. LED components are long-lasting and easily replaceable; acrylic sheet offcuts are upcycled into Onnda jewellery.

Input range: 100–240V. Can be powered via a socket or straight from wall cables. Customisable on request.

Dimensions LxWxH
Piece Weight (kg)

17

Production Year

2025

Material

, ,

Technique

,

Color

,

Design Class

Open Editions

About Catrinel Sabaciag Visit Showroom →

Catrinel’s work straddles between product design, installation, and sculpture. Her multidisciplinary approach often finds its roots in science and philosophy, whilst the making, quite experimental, is oriented towards material exploration.Catrinel’s work is driven by her interests in perception and movement. The themes she tackles most are time perception, entropy, light and nature.Through her interactive objects, she designs experiences that challenge perception and visualize the invisible forces that surround in an engaging manner. This brings reality in a new light, where the ordinary becomes extraordinary.In her process, she uses a mix of advanced manufacturing techniques such as laser cutting and hands-on ones such as casting. The objects often embody a scaffolding of technical components, which is used to mimic an organic/natural inspired phenomena.
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Catrinel Sabaciag
Photo Catrinel Sabaciag
· Cluj-Napoca, Romania
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