Jugnoo (Firefly): A Bamboo Wall Light You Dim by Folding It

Most light fixtures hide their control in a switch on another wall. Jugnoo (Firefly) puts it in the object itself: you change the light by physically opening or closing the lamp. The result is a small wall-mounted unit where brightness is a matter of posture rather than circuitry, and where the fixture keeps its sculptural presence whether it is glowing or dark.

Designed by Sashi Malik and published as a project on uni.xyz, Jugnoo takes its name and its logic from the firefly, an insect that lights up for a moment and then fades. The brief Malik set was precise: a portable, self-contained accent light with no switches, no wiring and no external hardware. It is built mainly from bamboo with aluminium components and energy-efficient LEDs. It weighs about 450 grams and costs roughly Rs. 200 (about $3) in materials, figures that matter as much to the argument as the form does.

A Firefly's Pulse Inside a Bird's Silhouette

The prototype photographs show the lamp closed and then unfolded, and the difference is the whole point. Closed, the jointed bamboo body reads as a compact, faceted object. Open, it spreads into something closer to a creature mid-movement. Malik draws the analogy directly: the front reads as a beak and the tapered rear as a tail. That gives the fixture a recognisable silhouette in daylight, when most sconces are just hardware waiting for dusk.

The presentation board makes the firefly reference concrete by pairing the unlit lamp with the same object glowing in a dark room. The light is not meant to flood the space. It flickers into presence when the user opens the lamp and retreats when they close it, which is a more modest and more accurate reading of the insect than a literal glowing bug. The biomimicry works at two levels: the form borrows from the bird, and the behaviour borrows from the firefly.

Three Bamboo Segments That Move as One

The cutting template is the most revealing image in the set. It lays out the bamboo segment profiles as flat geometry, and beside it sit dark painted prototypes tied with string on a wooden board. This is a design worked out by hand and through testing. The final mechanism stacks three bamboo segments in a column, linked so that a single open-close action moves all three at once. Adjusting one element dims the light, brightens it or turns it off completely.

Malik's later studies pushed the linkage toward an S-shaped movement, so the segments twist as they open instead of simply hinging outward. That decision matters spatially, not just mechanically. A twisting body changes the angle at which each segment meets the light source, which changes what lands on the wall. The mechanism does two jobs: it replaces the switch, and it shapes the light.

The Wall Becomes Part of the Fixture

The night photographs show what the twist was for. Mounted on pale walls, the sconces throw fanned, layered light outward from their openings, produced by several internal light sources interacting with the bamboo segments. The close-up of a single glowing opening shows how tightly the aperture controls the beam. The wall stops being a neutral backdrop and becomes the surface on which the lamp draws, with texture, colour and shadow all part of the composition.

This is where Jugnoo makes its case as accent lighting rather than task lighting. The effect is soft and atmospheric, suited to residential, hospitality or cultural interiors, where a wall of repeated units could read as a pattern of light rather than a row of fittings. Because each unit can be opened to a different degree, a cluster would never look quite the same twice.

No Wiring, Just a Base That Opens

The final sequence follows a hand opening the lamp's red base outdoors and swapping out a 9-volt battery. It is a modest image, but it shows a lot about the design. Battery replacement is meant to be easy, and the lack of wiring means the unit can be mounted wherever a wall allows, with no electrician and no chasing of cables. The independence that defines the interaction also defines the installation.

There is a trade-off here that a future iteration could address: battery power keeps the unit portable but brings its own replacement cycle and disposal question. Even so, pairing a renewable primary material with low-draw LEDs and a 450-gram body keeps the overall footprint small, and making the battery easy to reach respects the user's time.

Why This Project Matters

Jugnoo shows that interactivity does not need sensors or apps. Malik gets the experience of a responsive light from a three-segment bamboo linkage and a single gesture, and that mechanism also produces the light pattern on the wall. When the control and the effect are the same physical movement, the object feels resolved in a way that many bolt-on smart fixtures do not.

The numbers also make a quiet argument. A wall light at about 450 grams and roughly $3 in materials, made mostly of bamboo, suggests that sustainable lighting does not have to be a premium category. The cutting templates and string-tied prototypes show a designer finding the form through making, and the outcome is a fixture that reads as sculpture by day and as a soft wash of light at night.

View the Full Project

About the Designers

Designers: Sashi Malik, Sashi Mali

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Project credits: Jugnoo (Firefly) by Sashi Malik, Sashi Mali.