Started within 24 hours · Free UK delivery over £25

Safety

We'd rather tell you what something can't do than oversell it. Here's what our prints are made of, how to use them safely, and how to tell us if something's wrong.

Last updated 11 Oct 2026

Materials

We print in two plastics. Every product page says which one it's made from.

Material Used for Heat Care
PLA Keyrings, baubles, desk and home pieces Softens at around 50 °C, so keep it out of hot cars and away from radiators and hot bulbs Wipe clean with a damp cloth. No dishwasher
PETG Dog bowls, dog and cat tags, AirTag holders, lead hooks, phone cases Copes with more heat than PLA, but still not for dishwashers or very hot water Rinse or wipe with warm water

Some finishes contain extra ingredients for their look: glitter filaments contain fine flecks, and silk filaments have a shiny additive. They're used for the same products as plain PLA.

Keyrings come with a metal split ring or a bag clip, and lead hooks come with screws and wall plugs.

Dog bowls

Our dog bowls are fully 3D printed in PETG, with the name printed in as part of the bowl. Every print has fine layer lines, which are harder to clean than a smooth surface, so we don't describe any printed part as food safe or dishwasher safe. Whether a printed bowl suits your dog is your choice, and our guide is a 3D-printed dog bowl safe? gives the full picture.

  • Cleaning: hand wash after each use in warm, soapy water with a soft brush or cloth, then rinse and dry. No dishwasher, no boiling water and no scourers.
  • Wet food: wash the bowl straight after the meal. Change water at least daily.
  • Replace it if it gets scratched, chewed, cracked or starts to feel rough.
  • Chewers: the bowl isn't a chew toy. Supervise heavy chewers, and take the bowl away if your dog starts chewing it.

Dog and cat tags, AirTag holders

Tags are not chew toys. Check the tag, its ring and the collar every month, and replace the tag if it's worn, cracked or hard to read.

  • Cat tags should only be used on a quick-release (breakaway) collar, so your cat can't get caught.
  • AirTag holders don't include an AirTag and aren't made or endorsed by Apple. Check the clip monthly.
  • The law: in a public place, your dog's collar or tag must show your name and address (Control of Dogs Order 1992). See what to put on a dog tag.

Phone cases

Our phone cases are decorative. They haven't been drop-tested, so they won't protect your phone like a rugged case. They haven't been tested with MagSafe or wireless charging.

Small parts and age warnings

Most of what we sell is not a toy. Keyrings, bag tags and party-bag keyrings have small parts (a metal ring or clip), so they're not suitable for children under 3. Baubles are decorations, not toys. Every product with a warning shows it above the "Personalise" or "Add to basket" button and again under "Safety & care", so you see it before you buy.

If you're giving party-bag keyrings, please hand them out to children aged 3 and over.

Toys

We don't sell toys yet. Before we do, each one will have a full safety file: EN 71 testing, UKCA marking and a Declaration of Conformity.

That's what the Toys (Safety) Regulations 2011 ask of anyone who makes toys for children under 14, including small makers. Until each design has passed, it stays off the shop.

Traceability

Every order has a reference number (it starts with H3D), and each product has its own design reference. The order reference and the print date are on your packing slip. If we ever found a problem with a batch, this is how we'd find and contact everyone affected.

How to report a safety problem

If you think anything we've made is unsafe, stop using it and tell us straight away by WhatsApp or email. A photo and your order number help.

Email: [EMAIL]

We keep a log of every complaint. If we find that a product could be unsafe, we'll tell Essex Trading Standards, stop selling it and contact everyone who bought it to arrange a recall, refund or replacement.

Sources