S 4 Table Lamp in Bio Plastic
by diploria studio · Hamburg, Germany

22x20x22cm (9x8x9")Bioplastic

A table lamp by diploria lighting with a shade generated by the reaction-diffusion algorithm behind brain coral’s texture. Printed in biodegradable corn starch biopolymer and magnetically removable.

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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.

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€235
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Open Edition
Ongoing series by the maker. Slight variations may apply.
Only one in stock
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Delivered between19 Oct – 2 Nov
We arrange insured delivery from door to door.
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Shipping and delivery
Ships fromHamburg, Germany
Delivery toyour location
Estimated delivery dateOctober 19 - November 2
Cardboard31x31x31cm, 2kg
  • 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.
  • 14 days return policy from the day it arrivesNot the right fit? Return it within 14 days of receipt for a full refund, excluding return shipping costs.
  • 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)

1.0

Production Year

2026

Material

Technique

, , ,

Color

Design Class

Open Editions

FAQ
Does this lamp come with a bulb?

Yes, it includes an extra warm white, energy-efficient 230V LED with an E14 socket.

Will it work with my country's power outlet?

The lamp comes with an EU plug, so you may need an adapter depending on where you live.

What is the lampshade made of and how do I clean it?

The shade is made from a biodegradable corn starch-based biopolymer that is robust and waterproof, so it can be wiped clean easily.

Can I remove or replace the shade?

Yes, the shade attaches to the base with a magnetic connection and can be easily separated.

Can I customize this lamp?

Yes, this piece can be customized upon request — use Chat with the maker on this page to discuss options.

How long does it take to receive the lamp?

It is made to order and usually ships within 1-2 weeks.

Can I return this lamp if I change my mind?

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

Does it come with a certificate of authenticity?

Yes, a certificate of authenticity is included with the piece.

What is a bedside lamp?

A bedside lamp is a small table lamp placed on a nightstand or shelf next to the bed, made for low, warm light rather than full room illumination. It usually covers three jobs: reading before sleep, finding your way at night, and adding character to the surface it stands on.

What is the difference between a bedside lamp and a table lamp?

Bedside lamps are a type of table lamp, defined by scale and quality of light rather than by category. A bedside lamp is typically 40–60 cm tall, warm, dimmable, easy to switch off by feel, and modest in output. A general table lamp can be far larger and brighter because nothing about it has to be usable half-asleep. Many sculptural pieces work in both roles; a tall, wide-shaded lamp designed for a console rarely works the other way around.

How tall should a bedside lamp be?

Between 40 and 60 cm for a standard bed and nightstand. Rather than measuring the lamp alone, sit on the edge of the bed: the bottom of the shade should sit between your chin and your eyes so the bulb stays hidden. Low beds and low nightstands need smaller lamps — 25–35 cm is often right.

What size lamp should I choose for my nightstand?

Keep the lamp narrower than the nightstand and leave usable surface beside it. As a rule of thumb, the widest point of the lamp should be no more than about two-thirds the depth of the nightstand, with a base around 10–16 cm across. If the lamp overhangs the edge or you have to move it to put a book down, it is too big.

How bright should a bedside lamp be?

Less than most people expect. Around 100–300 lumens is right for ambient bedside light, and 250–450 lumens for reading in bed with the light aimed at the page. Dimmability matters more than maximum output, because the same lamp has to serve reading and the minute before sleep.

What is the best light color for a bedroom?

Warm, between 2200 K and 2700 K. Amber-toned light in the evening is easier on the eyes and less stimulating than neutral or cool white. Where a very low night light is needed — for a child, or for moving around at night — the softest, warmest setting available is preferable to a brighter cool one.

Do you need two matching bedside lamps?

Not necessarily. A matching pair gives a calm, symmetrical bedroom and is the safe choice with a formal headboard. Two pieces sharing a material or a maker but differing in form often looks better in a collected interior. Since much of ADORNO's catalogue is made to order, a second piece from the same studio can frequently be arranged — contact the curation team to check.

Do you have cordless or rechargeable bedside lamps?

Yes. Several designers make wireless and rechargeable lighting, which is useful when the socket is in the wrong place, when you want to carry the light to another room, or on a nightstand where a trailing cable spoils the piece. Availability changes as pieces are one-off or limited, so browse the current Battery-Operated Lights selection or ask us for a specific request.

What materials make the best bedside lamps?

Ceramic, stoneware, alabaster, marble, hand-blown glass, brass, steel and solid wood. All age well, all feel substantial at close range, and each handles light differently — stone and alabaster glow from within, opaque ceramic and metal shades throw a defined pool of light downward for reading.

Can a bedside lamp be used elsewhere in the house?

Yes, and most are better for it. The same scale suits a console table, a desk, a bathroom shelf, a windowsill or a hallway. A dimmable bedside lamp on a dining sideboard is one of the simplest ways to soften a room in the evening.

Are designer bedside lamps worth it?

A bedside lamp is switched on and off every day and sits within arm's reach, so material quality and light quality are noticed constantly. A well-made piece in ceramic, stone or glass also functions as a sculptural object during daylight hours, which mass-produced nightstand lamps rarely do. Buying from independent studios means the piece is made in small numbers by the person who designed it.

Description

The S 4 is a table lamp by diploria lighting, inspired by the intertwined patterns of brain coral. The design features reaction-diffusion patterns that mimic the natural growth processes creating coral’s hypnotic textures — the algorithm captures the interplay of different chemical morphogens spreading and reacting, similar to how coral polyps gradually build their calcium carbonate structures.

The lampshade is biodegradable and made of a warm white corn starch-based biopolymer. It can be easily separated from the lamp’s base thanks to its magnetic connection. It is robust and waterproof, making it easy to clean.

The lamp is equipped with an E14 lamp socket, an EU plug and an extra warm white, energy-efficient 230V LED.

Dimensions LxWxH
Piece Weight (kg)

1.0

Production Year

2026

Material

Technique

, , ,

Color

Design Class

Open Editions

About diploria studio Visit Showroom →

diploria lighting was founded by Michael Jasinski in 2021 with a mission to create nature inspired designs using environmentally friendly materials and sustainable production technologies. Together with Boyan Mihaylov, the two designers explore how nature’s patterns and forms can be reimagined and transformed into physical objects that seamlessly merge functionality with artistic expression.
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diploria studio
Photo diploria studio
· Hamburg, Germany
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