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Which are the food-safe materials and how do I recognize them?

Food safety is a property of both the process and the material. You can't stick food-safe material in a printer that has previously been used to print something food-dangerous and expect the result to ...
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22 votes
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Is 3D printing safe for your health?

There is very little information about safety available, as home 3D printers are relatively new. However, plastics such as ABS have a long history in making plastic products, and a study found that at ...
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17 votes

Is 3D printing safe for your health?

Almost all 3D printers have issues that could cause health problems. FDM/FFF printers heat plastic to a temperature that may cause it to off-gas, and these byproducts may not be healthy. SLA ...
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16 votes

Serious safety concerns with living in same room as PLA 3D Printer?

You are probably pretty safe printing PLA Regarding emissions, the following recent report, Emissions of Ultrafine Particles and Volatile Organic Compounds from Commercially Available Desktop Three-...
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16 votes

Are silicone socks safe?

Silicone socks are safe to use, provided your printer is safely operating and you are using the silicone socks in their operating temperature range. Your current setup is NOT SAFE! When the heater ...
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15 votes
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What is Thermal Runaway Protection?

What is TRP and how does it work? Thermal runaway protection is basically self-explaining; it is protection against the temperature getting out of control. Essentially, the firmware checks whether ...
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15 votes
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Are silicone socks safe?

Neither your thermistor nor your heater cartridge should ever be capable of becoming loose from your hotend, let alone the fact it's capable of reaching 800 °C before your printer even ...
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13 votes

Would 3d-printed objects outgas in vacuum?

I found much the same question at Does PLA outgas? An answer there pointed to a NASA outgassing database, Outgassing Data for Selecting Spacecraft Materials, and says that: ABS (unknown supplier), ...
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12 votes
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Serious safety concerns with living in same room as PLA 3D Printer?

Fire is the most obvious risk - firmware can now detect some of the more obvious failure modes such as a detached thermistor, but loose or failing connections can still overheat. A smoke alarm is a ...
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11 votes

Would 3d-printed objects outgas in vacuum?

Almost all of the FDM materials outgas even at normal atmospheric pressure, and, in fact, most plastics outgas. Further, FDM and many other printing processes do not guarantee no internal voids - ...
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11 votes
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Safety precautions when using acetone

There are a few main safety precautions you should consider. Make sure the area is well-ventilated. Acetone is flammable. A buildup of acetone gas could quickly get concentrated, meaning that a ...
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10 votes

Is 3D printing safe for your health?

I am going to address the air issue as it is currently unresolved. the third dimension offers a great answer for common safety issues. The short answer is that based on our limited knowledge at this ...
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9 votes

Which are the food-safe materials and how do I recognize them?

Food Contact Substances There are regulatory agencies in most developed countries that regulate food containers. In the USA, the Food and Drug Administration (FDA) regulates Food Contact Substances (...
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9 votes

Which are the food-safe materials and how do I recognize them?

There are 3 things that might affect food safety of 3D printed objects: The filament - it's food safe only if it says so on the package (even if the plastic is not toxic you don't know about the ...
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9 votes
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How fast can printer head move without damaging steppers?

Short answer no We use stepper drivers to limit the current, the travel speed is at capped by the amount of current supplied by the stepper drivers. This prevents the stepper motors from damaging ...
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  • 522
9 votes

Best way to deal with Resin Printers in your living space

One of the options you have would be to create a negative pressure in your working area. This would be accomplished by installing a fan with the flow direction to the outside. The inside portion of ...
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9 votes
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What are the risks of leaving to print overnight?

Presuming that you're talking about an 8 hour period, your printer should be designed to run for 8 hours continuous anyway, so nothing will happen regarding the bed or screen that wouldn't happen with ...
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8 votes
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MOSFET as a safety feature

In the world of (cheap) printers, "MOSFET" has taken on a meaning of its own. For a long time, 3D printers have had MOSFETs on board of their motherboards to switch the heated bed. In the past two ...
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8 votes

Electric shock from ender 3 printer PSU

The "shock" is likely from noise filtering circuitry at the power supply's input. For filtering, every power supply has a small capacitor that connects the live input wire to ground (a so-called "...
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8 votes
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Ender 3 is capable of food safe printing?

Food packaging needs to comply with regulations. One certification agency informing about these (and their service to certify for them) is TÜV Süd, another is SAI global. A summary of the GFSI can be ...
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7 votes
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Commercially available 3D printer fume and UFP extractor

Following on from Harvey Lim's answer, to give a concrete example of a DIY filter, which uses active carbon, see ABS 3d Printer Nanoparticle and Chemical Exhaust Air Filter: ###Description Enclose ...
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7 votes
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How to transport a 3D printer? Dismount needed?

Yes, fix the motors and any other loose/movable parts. Remove the bowden tube if it's there, and any other parts that are sticking out. Put the whole thing in a a bag to protect from dust, and put the ...
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7 votes

How fast can printer head move without damaging steppers?

What would my printer do if I set very big travel speed? If a speed is set above the limits of the stepper, the stepper will stop rotating or stutters. Basically there are 2 limits, the first is ...
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7 votes
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Is PETG filament food safe?

Many manufactures list their filaments as being food safe, but I would not treat this as "gospel truth". Apparently, the FDA considers PETG to be safe for food contact, but they are probably thinking ...
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7 votes

Is there proof that 3D printer made nanoparticles are dangerous?

At the time of this writing (March 2019), I don't think theres any study on the health effects of nanoparticles emmitted by 3D Printers. The general consensus seems to be right now that those ...
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7 votes
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Best way to deal with Resin Printers in your living space

First things first: Resin is very aggressive. It can very easily make you hypersensitive, even to the fumes of it. So step 1 is easy: Limit exposure Wear gloves when working with resin. As you live ...
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7 votes

3D Printing with malicious intent

Ethics and justification: If you have physical access to the device you could just... physically damage the device. Running arbitrary G-code is just more complicated Most printer farms have a strict ...
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7 votes

What are the risks of leaving to print overnight?

I've done 4 day prints with no issues. I just have my printer in a place where there is nothing that can catch fire in the unlikely event that it decides to start burning. For the rest it's just like ...
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6 votes
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Can you use PLA material with food and drinks?

As others have pointed out, PLA isn't specifically not food safe, but materials that have been printed previously can contaminate the PLA. Additionally, anything 3D printed is extremely porous. Once ...
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  • 513
6 votes
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Are there any methods of limiting exposure of hazardous fumes and odors emitted by heating the plastics?

Using negative pressure ventilation and a suitable organic filter will limit your exposure to toxic compounds, but won't completely remove them from your environment. Enclose your printer in as air-...
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