Additive Inn
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Compact powder case, designed for manufacture

A round compact powder case for a beauty brand, taken from a first idea to a design a factory can make, over four revisions.

Client
A beauty brand
What it is
A round compact for pressed powder, 86.2 mm across
What we did
Design for manufacture, tolerance and clearance checks, test prints
What the client got
The 3D files of the final design
Start a prototype (opens WhatsApp) Send a brief
Revisions, from the first idea to the final design
4
Across, and 69 mm tall when closed
86.2 mm
Barrel hinge, hidden inside the shell
8 mm

What we brought

  1. What we can do

    Four revisions to a case that works

    We changed the skin, the lid and the hinge over four revisions until the case opened cleanly and closed flush.

  2. How we look after you

    Designed to be made

    Walls, clearances and the hinge seat were checked for manufacture, then proved with test prints in our studio.

  3. What you get

    You see every option before it is made

    Each revision came as renders, an exploded view and a cross-section, so the client could choose before any tooling.

The build

How we built it

5 steps, from the brief to the finished piece. Pick a step to jump to it.

The brief

Step 1 of 5

Shape
Round, 86.2 mm across
Our scope
Design for manufacture, tolerance and clearance checks, test prints

At Additive Inn, our 3D printing studio in Singapore, we designed a compact powder case for a beauty brand. The brief was a round compact that feels soft in the hand, opens on a hinge and holds a pressed powder pan, designed so a factory could make it.

Four revisions

Step 2 of 5

We took the case through four revisions. Each one went to the client as renders, an exploded view and a cross-section, with every part named.

  1. Revision 0

    A purple textured TPU skin over a hard case, a steel plate clamped in by the case, and a self-closing hinge.

    Render +1 more

  2. Revision 1

    A pink swirled skin over an ABS shell and a steel inner shell. The lid is held shut by magnets and opens to 180 degrees.

    Render +1 more

  3. Revision 2

    A gold electroplated ABS shell inside the skin, a spiral grille on the lid and an 8 mm barrel hinge.

    Render

  4. Revision 3

    The final design in green: 86.2 mm across and 69 mm tall, with the barrel hinge, the electroplated shell and the TPU skin.

    RenderDrawing +3 more

Test prints

Step 3 of 5

We printed test parts of the shells and the hinge seat in our studio, so the design could be checked in the hand and not only on screen.

Fit and clearance check

Step 4 of 5

We put the test parts together to check the hinge, the clearances between the shells and how the lid closes, then adjusted the files before handing them over.

The final build

Step 5 of 5

The client received the 3D files of the final design, ready for manufacture: a soft TPU skin over an electroplated shell that opens on a hidden barrel hinge.

RenderClosed, the hinge tucked into the side.

More product development

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