Repairs · 10 July 2026

Do Not Throw It Away: 3D Printed Replacement Parts Can Save Your Appliances

A snapped freezer handle. A stripped food processor shaft. A cracked sensor bracket. Small plastic parts fail all the time, and for many appliances the manufacturer simply does not sell spares. That should not mean the whole unit goes to landfill.

The problem: no spares, no support

Once a product is a few years old, replacement parts often become unavailable in New Zealand or cost almost as much as a new appliance once shipping is added. We see this constantly with kitchen appliances, garage fittings and vehicle interior parts.

How we fix it, step by step

We take your broken part and either measure it directly or 3D scan it to capture the exact geometry. Then we rebuild it as a digital model, and this is the important part: we usually improve it. If the original snapped at a thin wall, the new one gets reinforced. If the original plastic went brittle from heat, we print the new one in a more suitable material like PETG.

Example 1: a beverage freezer door handle

The starting point was a handle that had cracked right through and been glued back together more than once. No spare was available for the unit, and replacing a working freezer over one plastic part makes no sense.

The original freezer door handle, cracked along its length and previously glued
Step 1: the problem, the original handle cracked through and glued once already

We modelled a replacement from the original, thickening the areas that had failed.

CAD model of the replacement freezer door handle
Step 2: redrawn in CAD, with the failed section reinforced

Printed in PETG, which handles the cold and the constant pulling far better than the original plastic did. Side by side, the difference in wall thickness is the whole point.

The original cracked freezer door handle next to two 3D printed replacements
Step 3: the cracked original on the left, beside the two printed replacements

Fitted to the freezer, it works like the day the unit was new, and it is stronger than the part it replaced.

Illustration of the reprinted door handle fitted to the beverage freezer
Illustration: the reprinted handle back on the door

Another one from the same shelf: a food-safe drive shaft that fits an Anko 2 litre food processor, where no spare was available anywhere.

Example 2: a shower drain cover with a piece missing

Bathroom fittings are a classic. The original chrome cover had a chunk broken out of the rim, and the only way to buy one was to replace the whole waste.

The original chrome shower drain cover with a piece broken out of the rim, next to the 3D printed replacement
Step 1: the original on the left with a piece missing, the printed replacement on the right

The replacement copies the clip geometry underneath exactly, so it snaps into the existing waste with nothing else changed.

Undersides of both drain covers, showing the matching clip geometry on the printed replacement
Step 2: the underside, where the clips had to match the original exactly

It is not just appliances

The same approach works on anything with a missing or worn plastic part. A customer brought in a putter with the face insert gone, and no replacement available anywhere.

Putter head with the original face insert missing
Step 1: the problem, an empty insert cavity in the putter face

We measured the cavity, redrew the insert and printed it, then made a few colour options while we were at it, including a personalised one.

A range of 3D printed putter face inserts in different colours and patterns
Step 2: printed inserts, including custom colours and a personalised one

Fitted into the putter face, it plays like the original did.

The 3D printed insert fitted into the putter face
Step 3: fitted, and back on the green

What does it cost?

Most replacement parts land between NZ$10 and NZ$60 depending on size and complexity, which is usually a fraction of replacing the appliance. Every job is quoted up front before we start, with no obligation.

How to get started

Send us a photo of the broken part, ideally next to a ruler, and tell us what it came from. We will tell you honestly whether it is a good candidate for printing and what it would cost. If the part is beyond photographing, post it to us or drop it off in Tauranga.

Got a similar project?

Send us a photo or a description and we will come back with an honest assessment and a quote.

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