3D Printing Guide

How to Achieve Faster 3D Prints

Scott Gabdullin

Updated on October 2, 2025

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3D printing is incredible, but let’s be honest—it can be painfully slow. You set up your model and print, and hours later, it is still only halfway done. If you’ve ever found yourself watching your printer like a pot that refuses to boil, you’re not alone.

I’ve spent days tweaking settings, redesigning models, and upgrading hardware to squeeze out faster prints without turning them into brittle, careless disasters. Today, I’ll walk you through the exact steps I use to speed up prints the right way.

Increase layer height

One of the easiest ways to speed up printing is by increasing the layer height.

Printing with super-thin layers takes longer because each layer needs to be stacked precisely, increasing the total number of layers required. Using a thicker layer height reduces the overall print time by allowing each layer to deposit more material per pass.

A 0.2 mm layer height provides a good balance between speed and detail.
If fine details aren’t essential, increasing the layer height to 0.3 mm or even 0.4 mm can significantly reduce print time.
Thicker layers may slightly reduce surface smoothness, but this is often an acceptable trade-off for functional or large prints.

Use a Larger Nozzle

Switching to a larger nozzle is an effective way to speed up 3D printing.
When using a larger nozzle, you can balance speed and quality by adjusting parameters such as layer height, print speed, and temperature and using methods like sanding or smoothing.

Most standard 3D printers come equipped with a 0.4 mm nozzle, which is versatile and suitable for a wide range of projects. However, upgrading to a larger nozzle, such as a 0.6 mm or 0.8 mm, allows the printer to extrude more filament with each pass, significantly reducing print time.

While larger nozzles are excellent for speeding up the process, they are best suited for prints where fine details are not a priority. Examples include prototypes, functional parts, and large models, where surface intricacy is less important.

Unfortunately, the trade-off for faster printing is that prints made with larger nozzles may lose some surface detail. On the bright side, it is possible to mitigate this loss of detail through 3D printer settings optimization and post-processing techniques.

Optimize Print Speed

Adjusting the print speed is a simple way to speed up your 3D prints. However, you must be careful. If you increase the speed too much, your printer might start skipping steps, causing problems like layer shifts, rough surfaces, or even failed prints.

A good starting point is to increase the speed by 20-30% and then run a test print.

Check the results carefully. If the print looks good, you are on the right track. If you notice issues like gaps or messy layers, it means you’ve gone too far. At that point, you can either slow things down a bit or make some adjustments to other settings. Remember, this process involves much testing and tweaking until you get it right.

Now, if you run into problems, try raising the nozzle temperature slightly. This helps the filament flow more smoothly, especially at higher speeds.

Just remember that not all printers or materials are the same. Some can handle faster speeds easily, while others might struggle. For example, PLA usually works well at higher speeds, but materials like ABS might need more careful handling.

In the end, it’s about understanding your printer and what it can do. Therefore, take your time to experiment with the settings, run test prints, and see what works best.

Lower Infill Density

Most prints don’t require extremely high infill densities, and reducing this setting is an easy way to save time and filament. Many models can maintain structural integrity with greatly lower infill percentages than slicers default to.

Infill densities of 15-20% are sufficient for most prints unless a part needs to withstand significant stress.
Infill patterns like gyroid or cubic distribute internal support more efficiently than a standard grid pattern for lightweight yet strong prints.
Reducing infill speeds up printing and reduces material usage, lowering your costs.

Reduce Wall Thickness

Wall thickness is a significant factor in how strong your print turns out, but thicker walls also mean longer print times. If you’re printing something that doesn’t need to handle weight or stress, like a decorative piece, you can save time by reducing the number of perimeters.

Sllicers employ three perimeters by default, but dropping it to two can speed things up without making the model too weak. For parts that do need strength, you can balance durability and efficiency by carefully moderating your 3D print’s wall thickness and lower infill density.

Create a Well-Optimized Model

Speeding up a 3D print isn’t always about tweaking settings. Sometimes, the biggest time saver comes from how the 3D model is designed. A well-optimized model prints faster, uses less filament, and maintains structural integrity where it matters. Here are key strategies to optimize your model:

Simplify Geometry: Reduce unnecessary details, sharp angles, and overhangs.
Hollow Out Models: Use a strong outer shell with a hollow interior to cut print time and save filament.
Optimize Orientation: Position the model to minimize support and reduce both print time and post-processing.

Simplifying Geometry

Unnecessary details, sharp angles, and excessive overhangs force the printer to work harder and slower. Therefore, removing non-essential features speeds up the process. Even rounding off edges can enhance print efficiency, allowing you to increase speeds without sacrificing much detail.

Hollowing Out Models

Solid objects take longer to print and waste filament. Hollowing out the model while maintaining a robust outer shell reduces material use and shortens printing without compromising durability.

Optimizing Orientation

How you place the model on the print bed affects speed. Positioning it to minimize overhangs reduces the need for support, saving both time and material. Fewer supports also mean less post-processing, streamlining the entire workflow.

Use Advanced Slicer Features to Achieve Speed Gains

Fine-tuning slicer settings can unlock serious speed gains. Most slicers have advanced features that help cut down print time while keeping quality under control. Minor tweaks here can add up, saving you hours without requiring hardware upgrades.

Enable Adaptive Layer Heights

Adaptive layer height settings adjust layer thickness dynamically, using thicker layers on straight, simple sections and thinner layers on intricate details. This balances speed and quality by only slowing down where it’s necessary.

Many modern slicers, like Cura has built-in adaptive layering options that can be enabled with a few clicks. Instead of printing the entire model with a uniform layer height, it only analyzes the geometry and applies thinner layers where needed. This saves a bunch of time, especially on models with large flat areas.

Print multiple objects at once

Batch printing keeps your machine running efficiently. By arranging multiple objects on the print bed, the printer moves between them in a single pass, cutting out extra start-and-stop delays.

For best results, space out objects and enable sequential printing if your printer can handle it. This prevents unnecessary travel moves, which can slow things down and even cause printing errors if the nozzle drags over finished parts.

In my experience, this technique is incredibly practical for small parts that would take longer if printed individually.

Use Draft or Fast-Print Mode

Slicers have preset modes designed for speed, such as draft or fast-print settings. These modes automatically adjust key parameters like layer height, print speed, and infill density to decrease print time.

While they aren’t suitable for high-detail prints, they’re perfect for prototypes, functional parts, or models where fine precision isn’t a priority. These presets provide a solid starting point, but configuring them based on your specific project can yield even better results.

However, adjusting slicer settings too aggressively can lead to issues like poor layer adhesion, stringing, or rough surfaces.

The more you push speed and efficiency, the more testing may be required to find the right balance. Running miniature test prints before committing to a full-size model can help identify potential problems early.

Lower Your Retraction Settings

Excessive retractions can add unnecessary pauses to a print. Though retraction is essential for preventing stringing, too many retractions slow things down and wear out the extruder.

Reducing retraction distance and tweaking minimum travel settings in your slicer can smoothen print movements while keeping stringing under control. Furthermore, experimenting with different values on a retraction tower print can help you find the perfect balance.

Eliminate Unnecessary Supports

Supports are often unavoidable, but they can markedly slow down a print. Putting in the work to customize support placement instead of relying on auto-generated supports often reduces print time while providing enough stability.

Tree supports, available in slicers like Cura, are a great alternative since they use less material and print faster than traditional blocky supports. If your model only has a few small overhangs, you may not need supports at all, so testing different orientations can sometimes eliminate the need for them entirely.

Upgrade Hardware for Higher Print Speeds

Sometimes, slicer settings can only do so much. Upgrading your hardware is the next step if you’re serious about cutting print times without running into quality issues.

A few fundamental improvements can make a huge difference in how fast your printer can push filament while keeping prints strong and precise.

Install a High-Flow Hotend

A high-flow hotend is one of the best upgrades for faster printing. Standard hotends struggle to melt filament quickly at higher speeds, leading to inconsistent extrusion or even clogs.

In comparison, high-flow hotends, like the E3D Volcano, have larger melt zones, allowing the filament to stay heated longer. As a result, your printer can extrude more material per second without skipping or under-extruding.

For regular high-speed printing, pair a high-flow hotend with a larger nozzle. A 0.6mm or 0.8mm nozzle allows for thicker lines and reduces the number of passes needed to complete a print. This simple change alone can cut print times significantly and quicken your project.

Use a Direct Drive Extruder

Switching to a direct drive extruder is another upgrade that improves speed and control.

Bowden setups are great for reducing moving weight, but they usually lag when printing at high speeds, especially with flexible filaments. A direct drive system keeps the extruder close to the nozzle, enhancing responsiveness and reducing the chances of filament slipping or grinding.

To achieve better print consistency at high speeds, use an extruder with a firmer grip on the filament, like dual-gear drive systems. That’s because it will provide more reliable extrusion, especially when printing at higher flow rates.

Upgrade to a Sturdier Frame

Printer stability plays a massive role in speed. If your printer’s frame wobbles at higher speeds, your prints will suffer from ringing, layer shifts, or poor adhesion. Why? A sturdier frame aids in absorbing vibrations, keeping your prints clean even when increasing print speed.

Some ways to improve stability include:

Tightening all Screws and Belts – Loose components cause vibrations and accuracy issues.
Adding Braces or Reinforcements – Extra support reduces frame flex at high speeds.
Switching to an All-Metal Frame – A rigid frame prevents unwanted movement during fast prints.
Upgrading to Linear Rails – These provide smoother, more controlled motion than standard rods.

Use a Heated Enclosure

Temperature fluctuations can ruin prints, especially with materials like ABS or PETG. A heated enclosure helps maintain consistent heat around the print, preventing warping and other imperfections that tend to happen when printing too fast in an open environment.

Even if you don’t print with high-warp materials, an enclosure keeps airflow and temperature stable, allowing prints to maintain better adhesion at higher speeds.

Invest in a Faster Processor/Mainboard

Your printer’s mainboard might be the bottleneck if you’ve noticed print stuttering or inconsistent motion on detailed models. A faster processor helps manage complex print paths, reducing lag and improving overall accuracy.

Benefits of an upgraded mainboard include:

Smoother Motion Control – Prevents stutters and skipped steps at high speeds.
Quieter Operation – Many newer boards come with silent stepper drivers.
Better Compatibility – Supports higher acceleration values and faster processing for intricate models.
More Expansion Options – Allows for future upgrades like auto-bed leveling or better cooling systems.

Upgrading your printer’s hardware isn’t always necessary, but if you’re looking for long-term speed improvements, these changes can help unlock faster print times while keeping quality intact. The proper combination of slicer tweaks and hardware improvements can essentially transform a slow printer into a high-speed workhorse.

Choose the Right Materials for Faster Printing

Some filaments extrude smoothly even when pushed faster, while others struggle. Hence, choosing the right materials can make a big difference in how quickly you can print without sacrificing strength or surface quality.

PLA filament is one of the best options for speed. It melts at a lower temperature, flows easily, and adheres well to the print bed, making it more forgiving when increasing print speed.

In contrast, materials like TPU, ABS, and Nylon require more precise temperature control and slower speeds to prevent warping, layer separation, or excessive stringing.

If you need a balance between strength and speed, consider PETG. While it prints slower than PLA, it still handles moderate speed increases better than ABS or flexible filaments. Some brands even offer “high-flow” or “fast-print” versions of PETG designed for quicker extrusion.

Maintain Your Printer for Optimal Performance

A well-maintained 3D printer runs smoother, prints faster, and produces greatly better results. Increasing speed will only lead to print failures, layer shifts, or poor adhesion if your machine isn’t in peak condition. Fortunately, regular maintenance guarantees your printer can manage high-speed settings without running into problems.

Keep Rails and Bearings Lubricated

Applying the right lubricant to linear rails, rods, and bearings keeps everything running smoothly. Dry PTFE or lithium-based lubricant works well for most setups, but always refer to your printer’s manual for recommendations on how to be on the safe side.

Be mindful of how much grease you use. Too much can attract dust and lead to excessive buildup that will prevent you from printing properly.

Tighten Belts and Screws

Loose belts and screws cause wobbles, ringing, and imprecise movements that cause you to lower print speeds. Over time, vibrations from usage can loosen these components, affecting print quality.

Thankfully, it’s easy to deal with loose belts.

Check and tighten them so they have enough tension to move smoothly without skipping, and secure screws on the frame, motors, and extruder assembly. If they feel stretched, you should replace them with higher-quality ones that can print with stability at higher speeds.

Clean the Nozzle Regularly

A clogged or partially blocked nozzle leads to under-extrusion, stringing, and inconsistent flow, which get worse when printing faster.

Dust, filament residue, and burnt plastic build up over time, all playing a role in the resurrection of filament flow. Using a wire brush, cold pulls, or a needle to clean the nozzle every few prints helps maintain a constant extrusion rate. If you print frequently, consider switching to a quality, wear-resistant nozzle that lasts longer and reduces the chances of clogging.

Things Not to Do When Trying To Crank Up Print Speeds

Cranking up print speed might seem like an easy way to save time, but push it too far, and you’ll get weak layer adhesion, ringing, or messy shifts that ruin your print. I’ve learned the hard way that speed isn’t worth it if your print fails halfway or looks like it barely survived an earthquake.

Here’s a quick overview of what NOT to do when you’re trying to speed up the process:

Common Pitfall	Consequences	Recommendations
Excessive Print Speed	Weak layer adhesion, ringing, messy shifts	Balance speed with quality; avoid pushing speeds that lead to print failures
Insufficient Cooling	Warped corners, sagging details, drooping features	Maintain adequate fan speeds to ensure proper filament solidification, especially on overhangs
Too Low Infill Density	Fragile, weak structure	Choose appropriate infill patterns (like gyroid or cubic) to maintain durability
Ignoring Printer’s Limitations	Overheating, mechanical failures, stress on components	Consider hardware upgrades

Another common mistake is slashing cooling too much. Fans are vital in solidifying filament, especially on overhangs and bridges. Reducing fan speed too low results in warped corners and sagging details. I once printed a figure with outstretched arms, but poor cooling left the fingers drooping limply.

Infill settings can also undermine your print’s quality. Reducing infill density cuts print time, but going too low turns your model into a fragile shell. Choosing the right infill pattern is just as important. Some patterns, like gyroid or cubic, provide better strength while minimizing material use, making them ideal for faster yet sturdy prints.

Lastly, ignoring your 3D printer’s limitations can lead to overheating or mechanical failures. Forcing your machine to operate at excess speeds stresses its components, causing jerky movements and potential breakdowns.

If your 3D printer struggles to maintain smooth operation, it may require hardware or software upgrades. Reinforcing the frame, improving cooling, or installing a faster mainboard can boost stability and allow for higher speeds without sacrificing quality.

Watch Your Prints Finish Sooner

Slamming printer speed to max might seem like a quick fix, but smart, intentional tweaks are what actually save time and keep your prints reliable.

Start with your slicer: nudge layer heights slightly taller, dial back infill where it’s not critical, and test incremental speed boosts. If your printer groans under the pressure, consider targeted upgrades—a better hotend for smoother filament flow or a dual-gear extruder for grip.

Don’t forget the basics. A clean nozzle, tightened belts, and updated firmware keep your machine humming. These small acts of maintenance let you push speeds harder without breakdowns.

For more tips on optimizing your 3D printing setup, along with reviews on the best tools and upgrades, check out 3D Gear Zone.