In this post we share this fantastic safety guide on FDM and Resin 3D Printing by Phrozen. If you are new to 3D Printing, this guide is an absolute must read!

Safety guides are not traditionally known for being the most interesting of topics, but thankfully Limaonen Longkumer at Phrozen has done an excellent job to clearly and concisely cover some of the most important safety considerations. Enjoy 🙂 

Best Practices for Safe Printing

Are you worried about the safety risks of 3D printing? From fire hazards to toxic fumes, this guide covers everything you need to know about 3D printer safety. Learn the best practices to ensure a safe and successful printing experience, whether you’re using FDM or resin printers.

You might have seen headlines about fires, toxic fumes, or even mechanical injuries caused by these fascinating machines. The good news? Most of these issues can be easily avoided with the right precautions.

In this guide, we’re going to dive into everything you need to know to keep your 3D printing experience safe and enjoyable. We’ll address common questions like, “Are 3D printers safe?” and “What are the hazards of 3D printing?”

By the end, you’ll have a clear understanding of how to protect yourself, your workspace, and your equipment.

Why Worry About 3D Printer Safety?

Let’s face it: 3D printing is awesome. But like any technology, it comes with its own set of risks. From potential fires to exposure to toxic fumes, 3D printing hazards can’t be ignored. But don’t worry—we’ve got you covered.

Here are the main risks you need to be aware of:

• Fire Hazards: Ever heard of thermal runaway? It’s when your printer’s heating elements get stuck on “high,” leading to a potential fire. Scary, right? But don’t panic—there are ways to prevent this.
• Toxic Fumes: Those cool-looking prints? They might be releasing not-so-cool volatile organic compounds (VOCs) and ultrafine particles (UFPs) into the air. Breathing these in isn’t exactly good for your health.
• Mechanical Injuries: Moving parts and high temperatures? Not a great combination if you’re not careful.
• Electrical Hazards: Faulty wiring or overheating components can turn your 3D printer into an accident waiting to happen.

Understanding these risks is the first step in making 3D printing a safe hobby or profession.

General Tips for Safe 3D Printing

Let’s get into some 3D printer safety basics that everyone should follow, no matter what kind of printer you’re using.

Ventilate, Ventilate, Ventilate

First things first: Make sure your workspace is well-ventilated. Whether you’re printing with PLA, ABS, or resin, 3D printers can release harmful fumes. Setting up in a garage, near a window, or using an air purifier can help keep the air safe to breathe. If you’re thinking, “Is 3D printing safe indoors?” the answer is yes—if you take the right steps.

Consider Investing in an Enclosure 

One way to enhance ventilation and safety even further is by using an enclosure. Though not always standard, enclosures can significantly reduce risks while improving print quality and user protection.

Enclosures maintain a consistent temperature, which is essential for filaments like ABS and polycarbonate. This temperature stability minimizes warping and reduces the risk of overheating or mechanical failures that could lead to fires.

Enclosures also help contain toxic emissions such as volatile organic compounds (VOCs) and ultrafine particles (UFPs). In spaces with poor ventilation, these emissions can quickly accumulate to unsafe levels. A well-sealed enclosure with a filtration system can effectively reduce exposure, making your workspace safer.

Additionally, an enclosure acts as a physical barrier, protecting users from burns or accidental contact with moving parts. This is especially important in environments with children or pets. Some enclosures even support fire prevention tools, such as smoke detectors or automatic extinguishers.

Incorporating an enclosure into your setup creates a safer, more controlled environment, reducing accidents and improving the consistency of your prints.

Gear Up for Safety

You wouldn’t start welding without a mask, right? The same goes for 3D printing. Always wear safety glasses, gloves, and maybe even a lab coat, especially if you’re working with resin. Trust us—your future self will thank you when you avoid a nasty burn or chemical spill.

Set Up Smart

Your 3D printer should have a safe home. Place it on a stable, non-flammable surface, far from anything that could catch fire. And keep it away from curious kids and pets. This simple step can prevent a lot of headaches (and potential hazards).

Fire Safety 101

Okay, so fires are rare, but they can happen. A fire extinguisher nearby isn’t just a good idea—it’s essential. And please, don’t leave your printer running overnight or while you’re out. Monitoring your prints can make all the difference.

Extra Tips for FDM Printers

Watch That Temperature

Every filament has its sweet spot when it comes to temperature. Setting the right temperature isn’t just about getting a good print—it’s about 3D printer safety. Overheating can lead to toxic fumes or worse, a fire. Stick to the recommended settings for each filament type.

Keep It Clean

A clean build plate means better adhesion, which means safer printing. Regularly wipe down the plate with isopropyl alcohol and make sure it’s level before you hit “print.” This simple routine can prevent a lot of problems.

Don’t Forget the Filament

Store your filament properly—in a cool, dry place. Moisture can mess with the filament, leading to poor prints and potential clogs. And we all know a clogged nozzle isn’t just annoying—it can be dangerous if it causes your printer to overheat.

Keep an Eye on Things

Monitoring your printer isn’t just about catching mistakes—it’s about safety. Especially during the first few layers, keep a close watch to ensure everything is running smoothly. It’s tempting to leave it running overnight, but it’s safer to be around just in case something goes wrong.

Safety Essentials for Resin Printing

If you’re into resin printing, you already know it’s a bit more involved than FDM. But it’s also worth the extra effort.

Handle with Care

Resin printing safety starts with how you handle the material. Resin is toxic, so always wear nitrile gloves, goggles, and long sleeves. And remember—resin can irritate your skin and lungs, so don’t take any chances.

Dispose of Resin Properly

You can’t just toss used resin in the trash or pour it down the drain. Instead, cure leftover resin fully (a bit of sunlight works wonders) before disposing of it according to your local hazardous waste guidelines.

Beware of UV Light

Resin printers use UV light to cure prints, which can be harmful if you’re not careful. Keep the printer’s lid closed during operation, and wear UV-protective goggles if you need to check on the print.

Safe Post-Processing

Once your print is done, the work isn’t over. Washing and curing your prints can release more fumes, so make sure your workspace is well-ventilated. Wearing protective gear during this process is non-negotiable.

There are essential differences between FDM and Resin printers. If you’re wondering which one is the right one for you, check out our blog: Resin vs Filament 3D Printing: Which One is Right For You?

Electrical Safety: Don’t Get Zapped!

Electricity is one of those things that’s easy to take for granted—until something goes wrong. Here’s how to keep your 3D printer safe from electrical mishaps.

Check Your Power Supply

Make sure your power supply is correctly set up and grounded. A stable power source is key to preventing surges that could damage your printer or cause a fire.

Inspect the Wiring

Take a moment to inspect your printer’s wiring regularly. Look for frayed wires, loose connections, or anything that seems out of place. Better safe than sorry!

Surge Protectors Are Your Friend

Investing in a good surge protector can save your printer from unexpected power spikes. It’s a small price to pay for peace of mind and 3D printer safety.

Routine Maintenance: Keep It Running Smoothly

Want your printer to last longer and run safely? Maintenance is your best friend.

Regular Inspections

Take time to check your printer for loose screws, worn belts, or other signs of wear. Addressing these small issues early can prevent bigger problems down the road.

Keep It Clean

Dust and debris are your printer’s enemies. Keep your printer clean, especially the build plate and extruder, to ensure safe and consistent performance.

Mind the Filament Path

A clean filament path ensures smooth operation and reduces the risk of clogs, which can lead to overheating. Regular checks here can save you a lot of trouble.

Be Prepared: Emergency Readiness

Even with all the precautions in place, sometimes things go wrong. Here’s how to be ready.

Know Your Shutdown Procedure

If something starts to go wrong, you’ll need to shut down your printer quickly. Know where the power switch is and how to safely unplug your machine in case of an emergency.

First Aid for Burns and Injuries

Accidents happen, so keep a first aid kit handy. If you get burned, cool the area with water and seek medical attention if needed. Knowing basic first aid can make a big difference.

Fire Response Plan

If a fire breaks out, get everyone out of the area and call emergency services. Use a fire extinguisher only if the fire is small and contained. Remember, your safety is more important than saving your printer.

Conclusion

So, is 3D printing safe? Absolutely—if you take the right precautions. 3D printer safety isn’t something to take lightly, but with the tips we’ve covered here, you can print with confidence.

Whether you’re using an FDM printer or diving into resin printing, these best practices will help you stay safe while enjoying all the amazing things 3D printing has to offer.

Remember, safety doesn’t just protect you—it also protects your equipment and the quality of your prints. So gear up, set up, and print away, knowing you’ve got safety covered.

Special thanks again to Phrozen and Limaonen Longkumer for sharing this guide.

Dream 3D are proud to offer a range of Phrozen 3D Printers, including the Sonic Mega 8K V2: Phrozen Sonic Mega 8k V2 3D Printer – Dream 3D Printers

If you have any queries regarding this article or if you would like to request a bespoke quote, please contact us at info@dream3d.co.uk / 07789266163

Thanks for reading 🙂