Crest - Transforming Caustic Light

Date
Spring 2024
Duration
5 Weeks
Project Type
Solo
Prompt

Design a purposeful light

Concept

Design a light that utilizes caustics to create an enveloping environment that changes the mood of a room though a meaningful, tactile interaction.

The design should visibly elevate a space and allow for variable lighting options depending on the user’s changing needs.

Sketch of a light changing its mood
Moodboard & CMF

calm, flowing, movement

Moodboard of water, ripples and balanced stones
Pendant light concept sketches
Three direction sketches of the pendant

Direction

I settled on a central sphere of light mounted to a clear shade with a wave texture molded into it via a pulley system.

The structural frame is aluminum and minimalistic, allowing the silhouette to draw focus

Printed mechanism iterations
Mechanism Iterations

The central mechanism assembles a lightbulb suspended within a glass orb holding mineral oil. It also hides wiring running up the aluminum chassis.

Five assembly steps of the bulb housing

The E26 bulb housing is split into 2 pieces. This allows the socket as well as M3 nuts to be held captive within after assembly.

Four M4 bolts hold the 2 halves of the assembly together.

The parts are assembled in halves within the glass bowl, so that it cannot be removed once inside.

Four M3 bolts are screwed from the top into the captive nuts held within.

The M3 bolts are counterbored below the surface, completely hidden from the viewer’s vantage point below the light.

Concealed Hardware
Exploded view of the cable ball hardware
Molded Threads
  • Quick and simple assembly
Hidden Wiring
  • Wires pass through
Aluminum Ring
  • Creates intentional seam line detail
Cable Mounts
  • Hidden bolts mount the braided cables
Pulley System

The pulley system is concealed within the ceiling mount, allowing the PETG lampshade and light to move in tandem with one another.

Pulley system inside the ceiling mount
Results

CREST is a hanging pendant-chandelier fusion light with a unique feature: with a single push, the hidden pulley system activates and the entire light morphs, overlapping the shade over the bulb and sending caustic rays of light scattering across the room, creating an intimate and elegant mood.

The light is completed with a liquid filled glass ball that encapsulates the lightbulb, further enhancing the oceanic themes and serene mood that surrounds the user.

Caustics cast on the ceiling
caustics cast on ceiling
Crest in the lowered position
Crest in the raised position
Crest seen from below
Pushing the handle under the bulb
Pulling the handle under the glass orb
Handle

The liquid sealed within the sphere not only plays into the theme of water and calm that are present throughout the design, but also reflect and refract the light in beautiful and dynamic ways.

In addition, the aluminum droplet outline, paired with a cutout in the bottom of the glass, act as a seamless handle in which to push and pull the mechanism and trigger the light’s physical transformation.

Crest transforming from raised to lowered

The user interacts with the light by pulling or pushing on a handle under the bulb, in doing so, the hidden pulley system changes the form of the light.

In the top position, the lightbulb and lampshade overlap, sending caustic rays across the room, creating an oceanic atmosphere. In the bottom position, the lightbulb is closer to a table underneath, creating a focused overhead light.

The input, complete transformation, and output are all physical and tactile, instead of being controlled by electronics and switches. This creates a physical connection to the light and the mood that it creates which most overhead lights do not achieve.

Caustics created by Crest
caustics created by CREST
Crest shade from below
Close-up of the wave textured shade
Close-up of the liquid filled glass orb