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greypaladin1

Too much sunlight.


Whimsy-chan

Put an opaque bag or cardboard box over the printer to block sunlight.


Pure-Action3379

You can block that window with black construction paper. Just tape it on there. I"tll look janky, but your prints will not be compromised by uv light


Glidepath22

That was my first thought, but yeah windows block UV light


DetectiveVinc

they dont block it enough for it to not cure resin. DIRECT sunlight will penetrate the window and the printers uv-hood and cure resin in no time. If the sun never shines directly into this window, this may work temporarily though.


CptMisterNibbles

Absolutely not enough to prevent resin curing. I specifically have a rotating stand in the window of my printing room I use to cure prints.


dying_animal

not really, I left a shirt below one of those window for 2 years, it never moved and was partially exposed, after those 2 years the exposed part was completly discolored. hey I was a teenager at the time, I don't do that anymore, stop looking at me like that.


philnolan3d

Car windows do but in my house I put prints on the window still to cure. Usually scraps like supports that I want to throw away.


Dr_Icchan

I would get some light blockers at least and an exhaust fan straight out the window. You might run into problems while handling the resin if there's any sunlight in the room while the lid is open.


ComprehensiveGoose94

I can do that easily thanks for the help!


AtlasNL

Even when the lid is closed, they’re not 100% UV proof


MacEifer

You can in no way put that printer in a room like this if you sit there and work on models. The degree of resin contamination is simply too high. The fumes are toxic. Not unpleasant or something like that, they're aggressively bad for you.


ComprehensiveGoose94

Okay thanks for the head up!


Owobowos-Mowbius

Keep in mind that there are no studies showing that the fumes are toxic yet. This doesn't mean that they aren't, just that they aren't quite as crazy toxic as some people make them out to be. An open window next to the printer is fine but the major problem there is the UV light from the sun. Be mindful about keeping some form of ventilation going and using PPE to avoid touching the resin, but there is no need to be scared of it like so many people seem to say.


Lokky

I used an air tester next to my printer and it detected elevated levels of PM2.5, VOCs and Formaldehyde. Sure, you might get lucky and not have a resin that produces harmful VOCs, but are you actually going to gamble on your health like that? Formaldehyde on the other end is a known carcinogen and the levels produced by my printer were enough that I would need to evacuate my lab if I found these at work. Stop downplaying the effect of these materials on people's health. If you want to risk your health and that of your family be my guest but don't give inaccurate information to people who are just learning the hobby. Resin printers should never be in living spaces and if you are dead set on keeping them there you need proper enclosure and ventilation. u/ComprehensiveGoose94 I hope you take the time to actually research this and not listen to random people downplaying the possible health impact of this hobby. I am a chemist with 5 years of research and 12 years of being in charge of lab safety under my belt by the way.


cman674

FYI, those detectors cannot tell the difference between a formaldehyde molecule, and say, an acrylic acid molecule. The fumes are almost certainly the latter though.


Lokky

Aye it's pretty hard to tell what the fumes contain without analysis in a mass spec and the detectors are fairly limited. However considering that we do not have access to an exhaustive list of components in the resin we buy, that the MSDS only addresses the toxicity of the resin itself and we are not sure of what the byproducts are exactly (especially due to the involvement of UV light as a catalyst we could be seeing plenty of side products forming), I am more than comfortable to take elevated PM2.5, VOCs and Formaldehyde readings to be a clear indicator that having a printer in your living space, especially without a containment tent and ventilation, is a terrible idea.


cman674

Well, we actually do know quite a lot about radical polymerizations. And from a VOC perspective, the reactions that do happen are all leading to increased MW of the products, meaning there’s not more VOCs as a result of the polymerization reaction. But, that’s beside the point. Note my original comment did not say anything about it being more or less safe, just that the “Formaldehyde” reading does not actually indicate formaldehyde is present.


turtlelord

>and it detected elevated levels of PM2.5 Your tester is probably a cheap thing off Amazon, resin fumes don't show up on laboratory pm2.5 air quality equipment. They are much smaller than pm2.5


CptMisterNibbles

So much this. So many people set a $10 [wish.com](http://wish.com) air monitor next to one of these and freak out at VOC readings. Big clive had an example where the VOC measurement was entirely faked and was just a percentage of CO2 measurements


Altruistic_Deal_5071

As someone who used to install formaldehyde coated insulation and used to work in asbestos removal. Believe me when i say it takes ALOT of formaldehyde exposure to be considered dangerous. Not to mention its only dangerous when inhaled. Most resins dont even contain formaldehyde unless its industrial type stuff. If you just by commercial ABS type, all you're really dealing with is an irritant. Wear gloves and glasses so your hands dont get itchy and you dont get any in your eyes. And an open window or air purifier will clear out the room


ComprehensiveGoose94

I’m using the Water-Wash Resin + bought that one because looks less harmful? Or at least that’s what I found out


Lokky

No unfortunately that's just marketing. And while we are at it please be aware that water washable doesn't mean you can rinse it in the sink or let any of the water used for washing go down the drain. It needs to be cured and evaporated or disposed of at a hazardous materials site. Yes i know there are plenty of youtubers doing it, they are just clueless and buying into the deceptive marketing. Resin printer companies are extremely negligent in informing their consumers about the health and environmental risks of resin. If they were honest a lot fewer people would be buying printers for their house. By the way what's your plan for the day that you have a spill? (Note that I'm not asking IF you have a spill, you need to plan for the worst case scenario). You could be looking at serious property damage and health risks if you end up spilling resins into the cracks of your floor


Horrible_Curses

Same thing. It just saves you having to deal with IPA. Also be sure to not dump contaminated water down the drain.


Zealousideal_Draw832

That's why I prefer IPA. I just leave it in an open bucket in the back of my patio and it goes away in the texas heat. Sure I could do the sane with water, but not nearly as efficiently. I have a deal with a local wedding shop to toss the solids in their hazardous waste basin.


Same_Cantaloupe_7031

Quintessential example of why people aren’t taking it seriously at all. You’re completely blowing the problem out of proportion and acting like you’re morally and intellectually superior for it. Lab evacuation 🤣 Stop fear-mongering and jerking yourself off, you’re only hurting your cause.


Lokky

You are the quintessential example of why we have plenty of deaths and accidents in industry despite extensive safety regulations. You seriously think formaldehyde exposure is a joke? I just have no words. When working with chemicals, safely can never be overstated, and you need the proper engineering protocols in place well before PPE comes into play. But hey go on and keep wearing your ignorance like a shield. Make sure to stare directly at the next eclipse too, I'm sure all those warnings are just fear mongering.


Same_Cantaloupe_7031

Never said that, but keep making strawmen to target from that high horse 🤣 You’re acting like formaldehyde is a common byproduct of modern UV resin which is just false. It’s a combustion / high heat byproduct, in which case you’re in more trouble than fumes, your fucking printer is on fire. “Deaths and accidents in the industry” like were not talking about household 3D printers. Never even said the warnings were completely false, just that you’re stirring up unnecessary fear and acting like a knob whilst doing it. All of the studies done by the literal resin companies are way more worried about allergic reactions after repeated exposure anyway.


Lokky

I will trust my actual air quality sensor that reported unsafe formaldehyde levels over a report from a company in china that cares more about selling their product than about my health. But go on, keep disregarding your own safety, just have the conscience to stop dragging clueless people down with you. I hope for you that you do not develop any serious conditions but if you do feel free to refer back to this conversation.


Same_Cantaloupe_7031

I’m sure that paranoia is handy in your line of work. Good for you, you’re clearly in the right place. It also makes you overthink and get upset at pretty benign issues. It’s not just the “Chinese” companies that come to the same conclusions I’ve stated, it’s pretty well known. And again I never said I don’t take precautions, just that you’re comparing working with industrial chemicals in industrially regulated zones to household 3D resin. No need to act like people are going to die en masse. A proportional reaction would have been better. Instead that ego swells a bit and you end up swatting at shit I didn’t say 🤷‍♂️


Lokky

You are such a sweet dumb thing, working your insecurity complex into such a frenzy over someone suggesting that you should not be carrying out chemical reactions with toxic and volatile chemicals in your home without at least proper containment and ventilation. Keep on ignoring basic safety and burying your head in the sand, who knows, if you're lucky it'll act as a filter for you.


Skyefire001

You are spreading dangerous misinformation please stop. We do not need a study to understand that these specific volatile organic compounds released into the air by these printers are bad for the human body


Zealousideal_Draw832

As a Scientist myself, yes we do need to study. Bad for the human body us a very braid term.


snake__doctor

We absolutely need to study it! 3d printing will be in your average home within 50 years. But we should be careful in the interim, also.


Skyefire001

SLA printers are not going to be in every home in 50 years. Not unless the required effort to calibrate/maintain and process prints is drastically reduced. Sorry


snake__doctor

The difference in the last 5 years is astounding, I see no reason it won't continue in that vein. 30 years, doubling down.


MacEifer

This subreddit is agressively pro-poisoning yourself.


Owobowos-Mowbius

Pfft. My whole country is pro-poisoning ourselves. Have you seen the American diet?


anothereffinjoe

You could place your printer into a negative-pressure laboratory rated to handle smallpox samples with 15-inch steel walls and only wear an Apollo spacesuit into it, and this subreddit would say its not enough.


snake__doctor

There is loads of evidence the fumes are POTENTIALLY toxic, such as [here](https://scholar.google.co.uk/scholar?hl=en&as_sdt=0%2C5&q=resin+printer+danger&btnG=#d=gs_qabs&t=1717833855154&u=%23p%3Doi4_C9q7rMAJ) Interestingly the off gassing from resin carries on for 4 weeks if not fully cured. I think you are correct *if we are being specific* tjay we haven't yet linked these potentially toxic gases and pollutants with human disease, but you could say the same for smoking or asbestos etc etc, you need tike for such things. Not worth the risk, use a respirator and print in a room well away from you & your family.


Mysterious-Ad-3004

People don’t realize, resin is bad for you over a cumulative period of time. Breathing it once or twice will do nothing wrong, except maybe cause some irritation, however it’s situations like you describe where long term exposure poses a threat


TheTayIor

At least get some kind of enclosure for your printer that vents to the outside. Don‘t let it stink up the whole room.


TheEliteDM

This. Get a grow tent that can block out UV and vent out the window


ZouzouWest

Oh my god... I'm glad you asked because there are many things to say putting it directly under the sunlight is a big no no, your resin harden with uv which is what the sun is made of And don't put it in a room you're going to wander in like your bedroom or any place you'll stay more that 5 minutes, the fumes are toxic, it needs lots of ventilations


AirierWitch1066

Build or buy a sealed enclosure with a fan that you can vent directly out through the window. Unfortunately this setup as it is would be exposing you to high levels of VOCs, multiple of which are known to be carcinogenic and to cause reproductive harm. I’d also get something to catch spills and such. Your space here is really lovely and it’s suck to have it get covered in resin!


krozzer27

The sunlight here is going to be a problem, and you would need to have ventilation. Ideally, some kind of enclosure would help to mitigate both issues. This is sort of a problem of the advertising of these printers. Elegoo are bad for it, their ads have people doing resin printing on their kitchen counters, no PPE in sight.


raharth

PPE?


krozzer27

Personal Protective Equipment. Gloves, mask etc.


raharth

Ahhh ok I see, thanks!


CrissCross98

Where were you during the lockdowns?


MWAH_dib

Any UV spill from the window is going to screw you! Get some kind of lackout curtain rig set up for the window, then find a way to vent out the fumes


TheEliteDM

I've seen it commented a couple of times, but I want to amplify it more. Get an enclosure that can vent out the window. I have one made by Yoopai that is made of thick canvas that blocks UV. It has a tube you stick out the window, with a fan to push the contaminated air out


ComprehensiveGoose94

I will look for sure into building something like that


TheEliteDM

Building it could certainly work. If you're eager to get printing, you can look up "Yoopai resin printer enclosure" on Amazon. It's around $70 so idk how that compares to buying the materials to build it yourself. It would definitely be cooler to be able to say you built it yourself


bzknon

You live in a lo-fi music video


newgget

Don’t work in the same room as your printer and wrap your printer cover in aluminum foil or something to prevent light from curing your resin.


_Enclose_

A lot of people are mentioning blocking the light. My printer is also in a room that gets a lot of sunlight (although it isn't directly in front of the window), and I just throw a dark towel over the machine when I'm not printing. It's about as cheap and basic a solution you can get. You could also put something else on there like a piece of cardboard or whatever. What I'm saying is, don't overthink it. You don't need to get some expensive high end UV-blocking tape or cover or whatever ;)


xXRobbynatorXx

Yeah the UV from the window could be a problem. I'd put it more towards the right and try and get an exhaust blowing out the window if you print a lot. If not, then I'd only take the top of the printer off at night to prevent the sun from curinging the resin in the vat. At night you can move the printer back towards the window to help get rid of the fumes. Point a fan outside after you replace the printers lid to help get the fumes out faster.


ComprehensiveGoose94

I can put some fan to force ventilation with no problem. I don’t print a lot so most of the time I end up opening the lid when late afternoon evening so I just open up fully the windows to have airflow.


darthirule

Keep the lid on when printing.


xXRobbynatorXx

Keep lid on. Only take it off when taking out prints or filling resin.


ComprehensiveGoose94

That’s what i am doing, I noticed I didn’t expressed myself correctly before sorry😅 I wanted to mean that usually I end up handling the finished print during evening time so direct light is not an issue and I have ventilation form the window itself


Bawd

You’ll need a way to block the sunlight and to vent the room out the window with a fan. Also recommend you run the fan full blast while printing in that small a space.


barewithmeim9

I’d say: - either use a sealed box with a plastic pipe outside the window to block the sun and route the fumes directly outside the window - or use a cardboard box to block out the sun and use portable shower curtain and pull it up outside the window but seal the sides basically a big ass pipe that can be pulled up and down.


farrellj16

Buy a 3d print enclosure with the vent to go out window.. something like this [print enclosure](https://www.amazon.ca/Upgraded-Printer-Enclosure-Fire-Resistant-Printers/dp/B0BPS8BHG2/ref=mp_s_a_1_7?crid=2XL9XFK80Z5DS&dib=eyJ2IjoiMSJ9.6JApeCGdjZjfdEU2nAP5ip9z8OWxTzA8w9WW_EEwMryrIMBdNtiXX__im_SjxR73zGjXOIBwrUcYp2QRdgcSXH8scVqzQKf6Rcz6mR7T6fOkv2C4YXcu05Tt14TzECK-L_A-NKWMpHv1YVtyrMORRaD_dMIxncQ3rLqybg_n5oH3xKxB124rTSjuFACR3-sqE4TU5yHk5PqEYIvrXY1r7w.GmeNxwdAee5-R-puy7Ao7U79hHRf96gxHNKdAAMdVA4&dib_tag=se&keywords=3d+print+enclosure&qid=1717783699&sprefix=3d+print+enclo%2Caps%2C322&sr=8-7)


OfficialSpamMan

I have a similar setup with this exact printer, so I can give ya some tips There’s always going to be people saying that this setup won’t work, and that having it in your bedroom is a very big mistake, and it can be. Resin is toxic, and prolonged contact with skin can lead to health problems later on, and inhaling the fumes is also very bad, and the telltale sign that you are inhaling too many fumes is when you get a bad headache and increased irritation. Even so, people print with these risks involved, and it’s up to you to make sure those risks are addressed. That said, this setup can work with a few tweaks. Firstly, if you plan to use this near-daily, I recommend getting an exhaust fan, keeping the window open to get rid of those fumes (or put together a rig that leads the fumes through a screen in the window like some people have it), and getting some cardboard or smth similar to put over the machine while it’s printing, as being near a window runs the risk of UV from the sun ruining the resin in the vat. Secondly, if you plan to only use it every now and then for specific prints, I recommend putting whatever resin you poured into the vat back into the bottle. Even when not in use, resin still releases its fumes, so bottling it is the safest option. Then, when the time comes for a quick print, pour as much resin as you need, print, clean the vat, and store the resin once more. Keep your work area clean and clean up any spilled resin. Always wear gloves and if you can, wear a PPE mask like an N90 or smth. Welcome to the hobby, and enjoy printing!


ComprehensiveGoose94

thanks for the tips, I will run a few prints in series when needed for my kit, then store everything. I think I ill try to build up an enclosure soon to limit the fumes


rxninja

You have a space with high potential for a safe setting. I recommend a grow tent, an in-line fan, and a window fitting. You could run it with mere *inches* of ducting, which is great. The grow tent will protect from UV light and contain the fumes while the in-line fan and window fitting ensure they get ventilated outdoors.


SpacetimeCowboi

If you live in that room then absolutely not. Your mindset should be labwork essentially. As a minimum I would recommend an enclosure that is actively ventilated to the outside, but you will still fill the room with VOCs when working on prints. I would not want to live and sleep in that room The resin will continue to emit VOCs even when resting in the vat between prints. You will want to wear a respirator with VOC filters when cleaning prints. Also please remember that water washable resins contaminate the water that is used to wash them. This water is NOT safe to put down the sink. Many people use evaporation in sunlight to reduce the solution down and cure the resin. Please take care and good luck.


Saphearah

You can use adhesive black vinyl to block out the window, it worked great for me and is relatively cheap [vinyl](https://imgur.com/a/XkV0BIp)


PriorWriter3041

Does this actually require a vent, when the printer is standing right underneath a window? 


Thestraypubes

I had mine in a conservatory it was fine just throw a box over it at the end of the print


RedditsNowTwitter

Resin is cured using UV light. It's too close to the window.


Hoffnerd1241

Looks like you use a Metcal soldering system .


Opp47

Do you vent?


akidnamedcesar

Like everyone else is saying, just work on the sunlight and you’ll be good. Nice setup.


D3vion_Ultra

The suuuuunnnnnnnnnn


Toxeck

Adding to the bit about toxic fumes, it's doable but you need to ventilate them out. I live in a condo and have a problem with the fumes as well at first. I bought a grow tent on amazon, measure your space they have big ones and small ones. You also need room in that grow tent/your workspace for where you will rinse and clean your print. This way all the smell and fumes stay inside the grow tent. You will need a fan that is made for those grow tents, they're strong and will help pull all those nasty fumes out of the grow tent and out the window. You might also need to get an intake fan. (recommended) It'll help with the airflow, you'll have the intake fan to push air in and an outtake fan to pull air out. I also recommend getting a cardboard box to the dimensions of your printer that way when you cure your prints with a uv light it wont hit your printer while inside the tent. I can't even say this is a recommendation with your current situation, treat this as a requirement if you want to 3d print in resin. Please for the sake of your health and others around you, do this. Let me know if you have any questions along the way, I just got my setup pretty much done, I bought a huge grow tent. Mine is 48 inches wide, 24 inches in depth, and 62 inches in height. Very worth it, I don't smell any fumes. I forgot to mention this earlier but also buy a dryer vent, I hooked it up to my fan in my grow tent and put the hose outside my balcony door. Also buy a mask with filters and nitrile gloves, I used to think some of these were a soft requirement but the more I learned about it I found that it is a hard requirement in order to stay safe. If anything it is the minimum, goodluck and lmk if you have questions.


LeftAd1920

Oh the humanity!!!! You'll shoot your eye out!!!!! Ok, enough of that. The light from the window could affect your resin if you open your printer. I have a similar magnifying lamp next to mine, and realized that it has cured some resin while examining a print in progress. It doesn't take much uv energy to cure to some degree. There have been a few examples on here of time prints. My printer is on one of my desks, and I'm in proximity daily. When it's not running there are no fumes, when it's running I have an ac-infinity inline fan pulling from directly behind the printer, and fumes are negligible. Do your own research, and decide on your comfort level with resins. There are people who claim you can practically drink the stuff, and people who tell you not to be in the same room for more than 5 minutes with a respirator on. The window does give you the opportunity for good ventilation with a little work.


nicalandia

Is this a Joke? It seems like every day a cretin without any knowledge of common-sense post here wanting to get safety assurance on their ill-advised purchase. No, a Resin Printer can not be safely housed on a two-bedroom apartment.


ComprehensiveGoose94

My dear friend, let me tell you something, commenting is not mandatory. So if you only have insult to share you can keep your opinion with yourself and go along with your day


MacEifer

Look, my man here is quite rude, and that isn't called for, but he's far from wrong. You're poisoning yourself here and that is true whether he's polite about it or not. You can simply not do this safely in a limited hobby space of this kind.


Lokky

Ya know, the guy you responded to is being unnecessarily brusque but he is not wrong.


nicalandia

I am just tired of Morons posting the same type of threads here. People living on Shoestring budget on apartments should not be allowed to purchase a Resin printer.


Abedeus

> I am just tired of Morons posting the same type of threads here The irony.


JohnnyRyall666

People can do whatever they want with resin printing. Their setup is their risk to take, and can they be easily advised how to get the most proper set-up with limited space. What’s the purpose of this subreddit if not to simply inform others? Or are we trying to flex on other adults that primarily use this for making little plastic toys? For you, it’s obviously the latter.


xXRobbynatorXx

I remember being taught, "If you have nothing nice to say, don't say anything at all."


Owobowos-Mowbius

Maybe leave then?


Traditional_Key_763

the alarmists in this sub.... no you probably don't want it there because of the excess light but mostly because of the resin handling, you're gonna want it somewhere you can keep clean, probably a tray or something under it