PLA and PETG normally work in an open-frame printer with a standard nozzle. More technical or fibre-filled materials may require a hardened nozzle, enclosed printer or actively heated chamber. Always check the four statuses of the specific product.
“Recommended” means the print may still succeed without it, but quality or reliability may be less consistent. “Required” means we recommend choosing another material if your printer cannot meet the requirement.
What is it? A nozzle made from wear-resistant steel or another durable material; a standard nozzle is often brass.
Why does it matter? Carbon- and glass-fibre fills quickly wear a soft nozzle wider, reducing dimensional accuracy.
How do I check? The printer or installed nozzle description should state “hardened steel”, “ObXidian” or another wear-resistant material.
What is it? The printer has walls, a lid and a door that separate the print area from the surrounding room.
Why does it matter? Draughts cool the part unevenly and can cause corners to lift or layers to crack.
How do I check? An open-frame printer is not enclosed. A DIY cover may help, but its safety and temperature control remain the user’s responsibility.
What is it? The printer actively keeps the chamber at a set temperature; this is not the same as a simple enclosure.
Why does it matter? The layers of a large technical part cool more evenly and internal stresses are reduced.
How do I check? The manufacturer must specify active chamber heating and a target temperature. If it does not, treat the printer as simply enclosed.
What is it? Controlled heating of filament to remove moisture absorbed by the material.
Why does it matter? Moisture turns to steam in the hot nozzle, causing popping, a rough surface, voids and weak layers.
How do I check? The product page shows the status, temperature and time. Do not use an oven or drying programme that is too hot for the material.
An experienced user may experiment outside a requirement, for example with a small ABS part on an open-frame printer. This does not make the setup reliable or change the product-page requirement. For beginners, we show the setup with the higher chance of success.
The data for a specific product is always more accurate than this generalisation.
| Material | Hardened nozzle | Enclosed printer | Heated chamber | Drying |
|---|---|---|---|---|
| PLA | Not needed | Not needed | Not needed | Not needed* |
| PETG | Not needed | Not needed | Not needed | Recommended |
| TPU | Not needed | Not needed | Not needed | Required |
| PLA-CF / PETG-CF | Required | Not needed | Not needed | Recommended |
| ABS+ | Not needed | Required | Recommended | Recommended |
| ASA / PC / PA | Depends on fill | Required | Often required | Often required |
The next step helps you decide when to dry the spool and how to keep it dry after opening.
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