If you have bought a 3D printer, or you are thinking about buying one, you will discover very quickly that half the success of a print depends on the type of filament, not on the printer itself. Most new users in Iraq start with PLA because it is the easiest, and then they run into the same problems: the part warps in the summer heat, or it snaps at the first bit of pressure, or it comes out looking nothing like the original model. In this guide we walk you through the real differences between PLA, ABS and PETG, which one actually suits your work, and how to choose within your budget.
What is filament, and why does the type matter?
Filament is the plastic string that melts inside the printer head and builds the model layer on top of layer. Each type has a different melting temperature, a different resistance to heat and impact, and a different behaviour while it cools. That means choosing the wrong type makes you fight your printer for nothing, and the opposite is also true: the right type lets even a mid-range printer produce a respectable result. Most spools available today are 1.75 mm in diameter and one kilogram in weight, which is the common size for most home printers.
PLA: the easiest and the best fit for a beginner
PLA is the starting point for anyone new. It prints at a relatively low temperature, it shrinks very little, and it sticks to the bed easily without you needing an enclosure or special ventilation. The result: sharp detail and a low failure rate from the very first attempt.
- Best for: figurines and decor, models, children's toys, educational parts, and fast prototypes.
- Strong point: many colours and a clean surface with fine detail.
- Weak point: it does not handle high heat. A part you leave inside a car during a Baghdad or Basra summer can bend.
- Note: it is not suitable for mechanical parts exposed to constant pressure or repeated bending.
If this is the first kilogram you are buying, take a basic colour at a reasonable price and learn on it before you move into the special types. A spool of PLA in a clear colour starts at around 32,000 IQD.
ABS: for parts that work in heat and take rough use
ABS is the same kind of plastic used in most car interior parts and home appliances. It withstands far higher heat than PLA, it is stronger against impact, and you can sand it or post-process it after printing. In return for all of that, it is harder to print.
- It needs: a higher nozzle and bed temperature, and preferably an enclosed printer, or at least a spot with no draught.
- Its main problem: shrinking and warping when it cools quickly, especially on large parts.
- The smell: stronger than PLA, so the room needs proper ventilation.
- Best for: electronics enclosures, parts placed near heat sources, car accessories, and anything that needs durability.
If you want to try ABS at the lowest possible cost, start with an economical grey spool at around 26,000 IQD; it is the cheapest way to learn how to tune the temperature before you spend more.
And when you reach the stage where you want steady colour and a better wound spool for final parts, the slightly more expensive spools at around 36,000 IQD give you a cleaner result and fewer tangles during long prints.
PETG: the golden middle between the two
PETG has become a popular choice because it combines most of the advantages of both sides: higher heat resistance than PLA, better toughness and flexibility, and at the same time it is far easier than ABS, it does not need an enclosed printer, and its smell is almost non-existent. Its downsides are that it tends to pull thin strings if you do not tune retraction, its surface is less glossy than PLA, and it absorbs moisture faster.
- Best for: functional parts, brackets, boxes, and anything placed in the sun or outdoors.
- Warning: it sometimes sticks to the bed too strongly, so use a suitable print surface to avoid damaging the bed.
Upgraded PLA types: carbon, wood and silk
If you like PLA but want better properties, there are modified versions of it. Carbon-fibre reinforced PLA gives higher stiffness, an elegant matte surface and less warping, and it is an excellent choice for parts you want to look professional without the complexity of ABS. Just be careful: fibre-reinforced filaments in general wear down an ordinary brass nozzle, so it is better to use a wear-resistant nozzle.
As for wood filament, it is PLA blended with wood fibres; it gives a texture and a colour close to real wood, and you can sand it or stain it after printing. Ideal for decor, gifts and wall pieces. Its price is a little higher, around 52,000 IQD, but the difference in the look is worth it.
Quick comparison table
| Criterion | PLA | ABS | PETG |
|---|---|---|---|
| Ease of printing | The easiest | The hardest | Medium |
| Heat resistance | Weak | High | Good |
| Strength and flexibility | Relatively brittle | Strong | Strong and flexible |
| Smell while printing | Light | Strong | Light |
| Needs an enclosed printer | No | Strongly preferred | No |
| Suitable for | Decor and models | Heat-exposed and mechanical parts | Functional and outdoor parts |
How to choose according to your use
- A complete beginner: plain PLA, without thinking twice.
- You print statues and decor: plain PLA, or wood PLA for a natural texture.
- A part that will sit in the sun or inside a car: stay away from plain PLA, take PETG or ABS.
- A part exposed to pressure or screws: ABS or PETG.
- You want a matte look and stiffness without the headache: carbon PLA.
And if you still do not have a printer: where to start
Everything said above about filament assumes you already have a printer you are comfortable with. Most beginners in Iraq struggle not with the filament but with setting up the machine itself: levelling the bed, the first-layer distance, and keeping that first layer consistent. So if you are still at the beginning of the road, a printer that calibrates itself automatically saves you half the trouble and lets you focus on choosing the right filament for your work instead of fighting the machine.
Bambu Lab A1: an easy, fast start for a beginner
An FDM printer that works with a bed-slinger design, meaning the bed moves back and forth during printing. The most important thing about it for a beginner is that it performs full automatic calibration, so you do not need to level the bed by hand before every print. It is fast and easy to deal with, and it is a logical machine to learn on while you try out the first PLA spool you buy.
Bambu Lab A1 Combo: the same printer with multi-colour printing
The Combo version is exactly the same Bambu Lab A1, with the AMS Lite system added to it, which switches the filaments automatically. The essential difference between the two versions is only this system: with AMS Lite you can print a part in more than one colour without stopping the print and changing the spool by hand. If your work is decor, gifts and colourful figurines, this is the version for you; and if most of your work is in a single colour, the standard version is enough.
Storage tips that extend the life of a spool
- Filament absorbs moisture, and that causes bubbles, a crackling sound and a rough surface. Store it in a sealed bag with silica packets.
- Do not leave a spool hanging on the printer for weeks without use, especially in the humid weather of the southern areas.
- Fix the end of the string into the hole of the spool so that it does not come loose, tangle and ruin the whole spool.
- If you notice the quality getting worse, drying the spool brings back most of its performance.
Buying and delivery
All the spools mentioned are available with cash on delivery and delivery to every Iraqi province, and you can inspect the product before paying and check the spool, the weight and the colour before you hand over the money. The prices mentioned here are for guidance only, and the updated price is always on the product page itself.
Frequently asked questions
Can I print ABS on an open printer?
You can, but the result depends on the size of the part. Small parts usually succeed if you raise the bed temperature and keep draughts away from the printer. Large parts will warp at the corners. If you want peace of mind, move to PETG.
What is the difference between PLA and PLA+?
PLA+ is a commercial name for modified PLA blends that are usually less brittle and better at layer adhesion, and they print at almost the same settings as PLA. If your parts break easily, it is a logical upgrade for a small price difference.
How many parts does a one-kilogram spool cover?
It depends on the size and the infill percentage, but one kilogram usually gives you dozens of small figurines or a smaller number of large parts. Our advice for a beginner: buy two different spools at the start instead of five spools in the same colour.
Does every filament work on every printer?
Most home printers use the 1.75 mm size, so compatibility is wide. The difference is in the maximum temperature of the nozzle and the bed, so check your printer's specifications and the manufacturer's recommendations printed on the spool before you print.
Why do spool prices differ when they are all one kilogram?
The difference comes from the accuracy of the diameter, colour consistency, how cleanly the spool is wound, and the type of additives such as carbon or wood. A cheap spool is fine for learning and experimenting, and the more expensive one is for final parts you do not want to print again.
