A modular light fixture inspired by the abacus lets you add, subtract and have fun with your light setup!

Abaculux is a modular light fixture inspired by the abacus, an ancient counting tool used for centuries, allowing users to add and subtract as many light bulbs necessary to achieve that prime lighting.

The abacus is an ancient counting frame tool that can aid in addition, multiplication, subtraction, and division. While they have been used for centuries, abacuses are still made today, often with a bamboo frame and sliding wires stocked with counting beads. Taking inspiration from the ancient mathematical tool, designer Pranjal Uday developed Abaculux, a modular light fixture that takes the same shape as an abacus, allowing users to add and subtract light bulbs however they choose.

The Abaculux is a minimalist light fixture, rising as a single standing rod with a collection of golden light bulbs lining it up and down. Outfitted with a flared trumpet base, Abaculux is bottom-heavy with a steady build that manages to carry multiple light bulbs at once. Uday created Abaculux in part to make the energy consumption of light more apparent by revealing to users how much light they use in a visual presentation they can actually count.

When users want to add a bulb to the electrical rod, they can be slid down and onto the dock where they light up once connected to the pole’s conduction terminals. Following the same method, users can add or subtract however many light bulbs necessary for their preferred lighting. The lightbulbs can also be configured in varying layouts, allowing users to bunch the bulbs at the bottom or appear more spread out over the pole.

Designed for users to witness how much energy they consume when using light fixtures like lamps and LEDs, Pranjal Uday’s Abaculux is a clever reinterpretation of the ancient counting tool we’ve relied on for accurate measurement for centuries. Inspired by the abacus’s shape and design, Abaculux is familiar in appearance but unconventional in design, enhancing its ergonomic build and savvy look.

Designer: Pranjal Uday

Users can either let the light bulbs bunch up at the pole’s bottom or leave them to spread out. 

The conduction terminal gives light to each bulb when connected.

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