Project 07 — AirFlux
Year Sept 2021 — Dec 2021
Context University of Edinburgh
Role Sole designer · teardown, redesign, CAD

A hair dryer with no handle.

A redesign of the Remington dryer that removes the bulky handle, lets the user grip the air tube directly, and reopens for repair.

Redesign Object Teardown Circularity Design for Manufacture Design for Repair
AirFlux, a compact handle-free hair dryer in matte grey polypropylene with a black silicone grip sleeve around the air outlet tube
§ 01 Problem eighty years, no change

The hair dryer has barely changed in eighty years. It has also barely gotten better.

A 1939 Bakelite Princess dryer and a 2021 Remington sit on the same arc. Same handle, same heater, same form, same shortcomings. A teardown of the modern one made it clear how much of that form was inherited rather than designed.

Princess hand-held Bakelite hair dryer made in England c. 1939, mottled brown moulded bakelite
1939 · Princess, Bakelite Mottled brown moulded plastic. England.

Held in the National Museums Scotland collection.

A modern Remington hair dryer, white plastic, with a bulky handle and rounded body, photographed for the teardown project
2021 · Remington, Polypropylene Same handle, same form. Bigger and glued shut.

The teardown subject for this project.

62%
of surveyed users wished their hair dryer was lighter and smaller
30%
wished they could change the way it's held
69%
said the dryer was difficult to open and fix when broken
§ 02 Teardown what's actually inside

Opening it up to see what was being defended.

Object Autopsy as a method: take the object apart, label every component, identify every material and process, and let the findings drive the redesign brief.

took it all apart A photograph of the Remington hair dryer fully disassembled, with each component laid out: motor, fan, heating coil, plastic case halves, wiring, screws and grills
Every component pulled, photographed, and identified by material and process. Watch the teardown ↗
  1. 01

    Glued shut.

    The case is held together with adhesive, not screws. Once it breaks, you replace it.

  2. 02

    A handle bigger than its job.

    The handle dominates the form and accounts for most of the bulk and weight.

  3. 03

    Heavier than it needs to be.

    Walls thicker than function demands. The total weight tires the wrist in minutes.

  4. 04

    Complex inside, basic outside.

    Motor, fan, heater, wiring, insulation, grills, all packed into a casing that hides them.

  5. 05

    Inherited, not designed.

    The silhouette is unchanged since 1939. Nobody asked whether it still earns its place.

The argument

Two moves come out of the teardown. Cut the handle. Open the case.

The handle is what makes the dryer heavy, bulky, and locked into a single grip. Cut it, and four findings collapse into one move. The fifth finding sits on its own. The case is glued shut, so even when something does break, the user can't reach it. Swap the glue for screws, and the dryer becomes repairable again.

§ 03 Redesign grip the tube

The hair dryer, handle removed.

Three concept directions went to user testing through semantic differentials. The handle-free version won decisively, judged the most comfortable and the most inviting to use. The form that came out of that round is what AirFlux is.

A page of design sketches exploring different hair dryer forms, with the handle-free concept circled as the chosen direction
Form exploration, the handle-free concept circled as the chosen direction.
Move 01

No handle.

Everything below the air outlet tube has been removed. The motor, fan, and heater sit directly in line, no detour through a grip.

Move 02

Grip the tube.

The user holds the dryer by the air outlet itself. Smaller footprint, lighter in the hand, and the grip rotates freely around the head.

User testing

Picked from three.

Ten users compared three concepts on semantic differentials. The handle-free version scored highest on comfort, on intuitiveness, and on whether they would actually use it.

§ 04 Two fixes heat and access

Removing the handle created two new problems. Both got solved.

The air outlet tube is the part that gets hot, so you can't just grip it bare. And once the form changed, the casing had to change with it. That was the chance to fix what the original got wrong: a casing the user could actually open.

Multiple silicone sleeve prototypes tested for ergonomic grip on the air outlet tube, with different shapes and grip patterns
Fix 01 · Thermal sleeve

A silicone sleeve over the hot part.

Thermal-insulating silicone wraps the part the user grips. Multiple prototypes were tested to find a profile that's safe, comfortable, and rests naturally in the hand.

Exploded diagram of the AirFlux casing with circular callouts showing the silicone sleeve, the screws joining the two case halves, the air outlet, and the mesh detail of the sleeve
Fix 02 · Repairability

Screws, not glue.

The AirFlux case holds together with standard screws, so the user can open it, replace a heater or a fan, and close it back up. Repair becomes part of the product's life, not the end of it.

§ 05 Materials six parts, six choices

Six materials, two case halves, one existing mechanism.

AirFlux is designed for mass production. The materials follow function, the case is built for injection moulding in two halves, and the Remington's working mechanism slots in unchanged.

every part earns its place A render of the AirFlux hair dryer with annotation lines pointing to each component and labelling its material: polypropylene case, silicone sleeve, aluminium mesh inlet, polycarbonate buttons, stainless steel grill cover, silicone cord rubber
Six labelled components, each chosen for the job it has to do.
Technical drawing of the AirFlux case in two moulded halves, showing the joining seams and surface details required for injection moulding
Moulded case details

The case is designed in two halves to suit injection moulding, the standard process for hair-dryer housings.

Cross-section diagram of the AirFlux casing showing the Remington motor, fan, heating coil, and wiring fitted inside the redesigned housing
Mechanism fit

The existing Remington motor, fan, heater, and wiring tuck into the new housing with no modification. The redesign sits on top of a working mechanism, not in place of one.