3D printing costs in the UK vary enormously depending on what you're printing, what material you need, and how you're getting it done. A small keyring and a full-size helmet are both "3D printed items" — but the costs are worlds apart.
This guide breaks down UK 3D printing costs across every major variable: material, size, quality setting, and method. Whether you're considering buying a printer, using a local print shop, or ordering through an online service, you'll find the actual numbers here.
What determines 3D printing cost?
Five factors drive almost all of the price variation in 3D printing:
The single biggest driver of cost. Most 3D print services charge per gram of material used. A 10g item costs roughly half as much as a 20g item of the same material and quality. Weight is determined by your model size and infill density.
PLA is the cheapest and most common. PETG costs 20–40% more. TPU (flexible) costs 40–60% more. Resin is an entirely different cost category — typically 3–8× more than FDM PLA. Specialty filaments (carbon fibre, wood fill, metal fill) are priced case by case.
Finer layer heights (0.1mm vs 0.3mm) produce better surface quality but take longer to print, increasing cost. Draft quality (0.3mm) is fastest and cheapest. Quality (0.1mm) can be 2–3× slower and therefore costs more for the same item.
Infill is the internal structure of the print. 15% infill (standard decorative items) uses less material than 40% infill (functional, load-bearing parts). Higher infill = more material = higher cost.
Overhanging geometry requires support structures that are printed and then removed. These add material and increase post-processing time. Good orientation of your model can significantly reduce supports needed.
Cost by material
Here's how UK 3D printing costs break down across the most common materials, using Printhaus rates as the benchmark for professional print services:
DIY cost note: The DIY figures above are filament-only costs. The true DIY cost per gram — including printer depreciation, electricity, maintenance, and your time — is typically £0.08–0.20/gram even with your own printer. See our full breakdown in the POD vs printer guide.
Cost by item size — worked examples
These examples use standard PLA at 20% infill (the most common setting for Etsy and general consumer products), printed through Printhaus on the Starter plan:
How quality settings affect cost
Layer height is the most visible quality setting. Finer layers mean smoother surfaces and more detail — but also longer print times and higher cost:
For most Etsy products, Standard (0.2mm) is the right choice. The surface quality is good enough that buyers are happy, and the cost is reasonable. Only use finer settings for items where surface detail is genuinely the selling point — miniatures, jewellery, high-end display pieces.
Infill density and cost
Infill is the internal structure of a 3D print — invisible from outside, but it determines strength and material use. Higher infill = more material = higher cost:
Three ways to get something 3D printed in the UK
How to estimate your print cost
The most accurate way to get a cost estimate is to upload your STL or 3MF file to Printhaus — the platform calculates the exact weight from your file geometry and shows you the precise cost before you commit to anything. But if you want a rough estimate before you have a file ready:
- Estimate the volume of your item: Think of it as a rough bounding box. A keyring is roughly 5 × 3 × 0.5cm = 7.5 cm³.
- Apply infill factor: At 20% infill, the actual material used is roughly 30–40% of the bounding box volume (walls + infill). So 7.5 cm³ × 0.35 = ~2.6 cm³ of material.
- Convert to grams: PLA density is 1.24 g/cm³. So 2.6 cm³ × 1.24 = ~3.2g. (Real weight from a slicer will be more accurate — use this as a ballpark.)
- Multiply by rate: At Printhaus Starter rates (£0.08/g): 3.2g × £0.08 = £0.26. This seems low because our example keyring bounding box was very small — most keyrings are actually 15–20g when you include the ring attachment and thicker geometry.
The reason weight varies so much from what people expect is that slicers account for walls, infill pattern, top and bottom layers, and support structures. A hollow-looking object can be surprisingly heavy once the slicer has added all necessary structure. Always check the slicer estimate before ordering large quantities.
Common items — UK printing cost reference
PLA, standard quality (0.2mm), 20% infill, Printhaus Starter plan rates. Actual weights depend on your specific model geometry.
* Weights are estimates based on typical models. Your actual weight depends on wall thickness, infill, and geometry. Upload your STL to get an exact figure.
Get an exact quote
Upload your STL or 3MF file and see the exact weight, production cost, and delivery options instantly. Free to use — no account required for a quote.
Frequently asked questions
It depends on the method. Using an online POD service like Printhaus costs from £0.08/gram for PLA — a 20g keyring is £1.60, a 50g phone stand is £4.00. Local print shops typically charge £0.15–0.35/gram. DIY filament costs £0.015–0.025/gram, but the true cost including your time and equipment is £0.08–0.20/gram or more.
A typical 3D printed keyring weighs 15–20g and costs £1.20–1.60 to print via Printhaus. Using a local print shop it would cost £2.25–5.60. Printing yourself it costs £0.25–0.50 in filament, but closer to £2–4 once your time is factored in.
Compared to injection moulding, 3D printing is very expensive per unit — it's a trade-off for no minimum order quantity and the ability to produce unique items on demand. Compared to other custom manufacturing methods (laser cutting, CNC, traditional crafts), it's generally competitive, especially for complex organic shapes.
Printhaus offers PLA printing from £0.08/gram with no subscription required on the free Starter plan — making it one of the most competitive online 3D print services in the UK. Paid plans (Forge at £9.99/mo and Studio at £24.99/mo) offer lower per-gram rates for higher-volume sellers.
Yes — finer layer heights take longer to print and cost more. Standard quality (0.2mm) typically costs 30–50% more than draft quality (0.3mm) for the same item. Ultra-fine quality (0.1mm) can cost 2.5–3.5× the draft price. For most consumer products, Standard is the best balance of quality and cost.
The most accurate method is to upload your STL or 3MF file to Printhaus. The platform calculates exact weight from your file geometry and shows your cost instantly. Rough estimates based on bounding box volume can be off by 20–40% depending on your model geometry.