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Buying a 3D printer can be expensive, considering the cost of these machines, but many upgrades can be cheap. There are several options you can buy online or make yourself that cost just a fraction of what you paid for your printer. Even entry-level models can start to offer better performance with these upgrades.
In many cases, these inexpensive components also help resolve common 3D printing errors, such as poor adhesion, calibration issues, or difficulty monitoring longer projects. For this reason, many of these small upgrades usually involve simple accessories that don’t require much investment. At the same time, they provide visible results on a daily basis.
So instead of buying parts just because they seem popular, the best solution is to prioritize cheap upgrades that fix your printer’s problems. Many of these choices can help you improve the reliability of your project without spending more on the hobby. This way you can make the 3D printer more efficient without needing to invest in a more advanced model.
Solve first layer adhesion issues with a flexible build plate
One of the cheapest ways to upgrade your projects is to purchase a flexible build plate, which you can find among 3D printing accessories online for less than $30. This accessory helps solve one of the biggest problems in many projects: first coat adhesion. When printing parts requiring greater precision, a solid base to support them becomes one of the most important factors.
Flexible build plates use a material that helps ensure the filament stays stuck during the first stage of the thermal process. This also helps prevent warping, which often compromises the integrity and final dimensions of your projects. Another factor that makes this accessory useful is how easy it is to remove the printed models once they are ready.
This is because most of these plates use spring steel with a PEI coating, a material that adheres well when printed but releases the model easily after cooling. Just bend the plate slightly and the pieces come off without a scraper or too much force. This also reduces the risk of breaking the model after hours of waiting for it to complete.
A multi-size nozzle pack improves printing speed and finer details
If you purchased a beginner 3D printer, the nozzle that came with it is probably designed primarily for standard PLA. Although it works well for this purpose, this nozzle is not the best if you want to try other filaments on your projects. This is why you should purchase a pack of nozzles when possible, as they cost around $10, come in different sizes, and can improve your printing in several ways.
Besides giving you an easy way to replace your nozzle whenever it wears out, the different 3D printer nozzles included in the package are also useful. Wider nozzles are especially effective when you intend to create a less detailed model but demand fast results. At the same time, narrow nozzles can produce finer details if desired.
Finally, if you plan to print abrasive materials, like carbon fiber, you need a hardened steel nozzle. These projects typically wear out the standard nozzles that come with 3D printers very quickly. For this reason, these more durable versions generally last much longer and avoid constant replacements.
Cheap printer enclosure stabilizes temperatures for ABS and PETG
If you have purchased one of the cheap 3D printers with an open frame design, a printer enclosure should become one of your priorities. In fact, you can find basic models online for less than $30, or even build one at home. Either way, a controlled environment for your printer is important.
When you use it while printing, you can keep the temperature stable around the machine. Open frame models are susceptible to drafts and cold air, which can harm projects made with materials such as ABS or PETG. So when you keep this heat trapped in a closed space, you maintain an ideal temperature and reduce the risk of project failure.
In addition to temperature control, a dust-proof enclosure also offers other benefits. It reduces external dirt that can reach your 3D printer and prevents filament particles from spreading throughout the rest of the house. This is an inexpensive upgrade that makes your projects more cohesive and reduces the mess they create.
Proper filament storage and drying prevents excessive stringing
Although it requires a slightly larger investment, a filament dryer for 3D printing justifies the extra cost. Depending on how you store your filaments, they can absorb moisture from the air over time, causing printing problems. Common examples include excessive stringing, bubbles, and even material breaking before it enters the machine.
Filaments like nylon and PVA, for example, are more sensitive and humidity can affect them within a few hours outdoors. Other options, such as PLA, PETG, and TPU, can also degrade over time, although they are more resistant to moisture. So with a filament dryer you can solve this problem by maintaining a controlled temperature for each material.
For those who don’t want to spend too much, the SUNLU FilaDryer S2 is a good recommendation, as it reaches a maximum temperature of 70°C, which is sufficient for most common filaments. Its convenient touchscreen displays temperature, humidity, timer and material type in real time. It may seem expensive at around $55, but it’s worth it when you consider the savings you can get by preserving your filament.