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Custom keychains in brass, acrylic and glow plastic

Three keychain jobs: 3D printed name tags that glow in the dark, 80 cast brass team keychains and 12 chicken rice keychains UV printed on acrylic.

What they are
Keychains in three materials, from three separate jobs
What they are made of
Glow plastic, cast brass and UV printed acrylic
What goes on them
Names, a message or your own artwork
Keychain jobs on this page
3

What we brought

  1. What we can do

    Glow built into the print

    The name tags' names and rims are glow-in-the-dark material from the printer, not paint or stickers.

  2. How we look after you

    Solid brass, not plated plastic

    The team keychains are cast in brass alloy and brushed, so each has real weight in the hand.

  3. What you get

    Your artwork, in full colour

    The chicken rice artwork was UV printed straight onto acrylic, every shade intact, and cut to its shape.

The build

How we built it

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

The brief

Step 1 of 4

Glow-in-the-dark name tags
One name per tag, 3D printed in black and glow green
Cast brass team keychains
80 keychains, cast in brass and engraved, for a private client
Chicken rice acrylic keychains
12 keychains, UV printed on acrylic, for a private client

At Additive Inn, our 3D printing studio in Singapore, we make custom keychains in whatever material suits the job. This page brings together three: name tags that glow in the dark, brass keychains for a private client, and acrylic keychains of a client's own artwork.

Glow-in-the-dark name tags

Step 2 of 4 · 30/04/2021

Shape
Rounded bar tag with a key ring hole
Lettering
One name per tag, in raised capitals
Effect
Names and rims glow in the dark

We made name tag keychains that glow in the dark. Each tag needed one name, easy to read by day and visible at night.

Each tag was 3D printed with a black body, and the raised names and rims in glow-in-the-dark green, with a hole at one end so a key ring can go straight through. In daylight the names read clearly. With the lights off, the names and rims glow green, so each tag can be read and found in the dark.

The tags by daylight.
Under UV light, the names light up.
Glowing bright in the dark.
A softer glow, still readable.

Cast brass team keychains

Step 3 of 4 · 17/10/2022

Quantity
80 keychains
Material
Brass alloy, brushed finish
Front
M7 and YOU MADE A DIFFERENCE
Back
A team name, engraved

A private client needed a thank-you keychain, M7 YOU MADE A DIFFERENCE, cast in metal and engraved. The order came in on 15/09/2022.

Every keychain was cast in brass alloy and given a brushed finish, with M7 and the message standing raised on the front. Each team name and a border were engraved in white on the back, then every keychain was fitted with a brass-coloured key ring. On 17/10/2022 the client got 80 brushed brass keychains, each with the same thank-you on the front and a team's name on the back.

The front, cast in brushed brass.
Team names, engraved white on the back.

Chicken rice acrylic keychains

Step 4 of 4 · 30/09/2026

Quantity
12 keychains
Size
About 10 cm
Artwork
The client's BREAST FRIENDS chicken rice design
Material
Acrylic, UV printed in colour

A private client needed their BREAST FRIENDS chicken rice artwork turned into a matching set of 12 keychains, about 10 cm across. The order came in on 28/09/2026.

Each keychain was cut from acrylic to the round plate of the artwork, with the design UV printed onto its face in full colour. A tab at the top of each plate takes the keychain ring, which came with every piece in the set. On 30/09/2026 the client got a matching set, each plate ringed by BREAST FRIENDS and two red hearts.

The artwork, UV printed onto acrylic.

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