3D Printing During the Pandemic

[@MrDeamens]

Gloves raffle

[@Nerdtronic]

Good luck

[@Nerdtronic]

WINNER!! - Prize has been delivered.

[@TheWhiteWhistle]

Congrats

[@bipolarchemist]

As a chemist, I can verify that nitrile gloves don't offer absolute protection and latex gloves are worse, but diffusion can work in your favor as it will take longer for the resin to penetrate the thicker latex gloves and the inner gloves are probably okay for a couple of uses. I, personally, don't like reusing gloves but that is because I worked with a lot of chemicals in the past that either smelled atrocious or destroyed gloves pretty quickly. If you get any considerable amount of acetone or chlorinated solvents on your gloves, I would personally trash them. That being said, I also only wear a glove when removing things from the build plate. I have a small 65x120 plate and it is pretty easy to manipulate with a single hand. I do this mainly to reduce potential for cross contamination and the need to constantly wipe down surfaces that gloved hands with uncured resin on them might have come in contact with. It works well for me, but I've had plenty of experience working with and around hazardous chemicals and as a former researcher in polymer chemistry, I don't consider resins to be all that bad(comparatively). One thing that I do recommend is reading a few safety data sheets(SDS or MSDS) for resins and resin monomers so that you can make a more informed decision on your level of comfort working with them. For me, resin isn't that bad. Now that 55 kg drum of fine silica powder on the other hand...

[@Nerdtronic]

Love this info! Thanks for sharing.

[@Mrpancake72]

Also a chemist, and I just want to add to this. You can check online if your gloves are compatible with the chemicals you are using online. Several common organic solvents, such as acetone, are semi permeable to nitrile gloves. They are really your best all-round protection but are mediocre for duration. And yes the MSDS/SDS containt lots of great information with any dangers to watch out for. Uncured resin can be somewhat dangerous due to it being slightly unstable and higher energy, meaning it's more likely to react with things you don't want it to in your body and would be irreversible. The cured resin on the other hand is in a much lower energy state and doesn't react as freely and is much safer. Although it's not as dangerous as lots of chemicals in the immediate time frame, it may result in issues in the future. But honestly the UV light from your printer is more dangerous than the resin in my opinion. Link for glove compatibility eta-safety.lbl.gov/sites/all/files/VWR%20Chemical%20Resistance%20Gloves%20Chart.pdf

[@rimurutempest7457]

Also a Chemist, (just graduated Yay) Silica powder for packing TLC columns is a pain to get out. I was wondering if other thicker gloves could be used since the amount of resin that gets on them should be minimal and if you wash them with Isopropyl it should minimize the amount it can penetrate. Ive seen other youtubers using thicker gloves but this double glove method is something I think is worth checking out. Can never go wrong with more protection.

[@bipolarchemist]

I typically leave silica in whatever it is in to dry for as long as needed. Once fully dry, it is comically easy to remove but the slightest bit of solvent/moisture can make it a pain. I prefer the double or triple glove method and the only gloves I tend to keep around for reuse as ones used for dish washing as I've had too many years of cross-contamination awareness beat into my head and when working with the really nasty stuff, better to run through a few extra gloves than to risk leaving residue anywhere.

[@heitorlipsky7512]

I can only appreciate and applaud seeing someone that honestly consider others opinions in a civilized and respectful way. Kudos and kudos. Your points are clearly based on the best knowledge you have, logic and common sense. Can it not be right? Sure it can, but I would make a case it will contribute to find a better way if you continue to listen to others opposing opinions and take those in consideration. Lot of people currently forgot that one cannot be always right. Your point on use the protection of kitchen gloves for less risky activities seems a great consideration.

[@Nerdtronic]

Thanks. Figured it was the best way to handle it even if I wasn’t sure I agreed with him.

[@ryanlandry8214]

I have a thick pair of reusable nitrile gloves that I use for changing oil in my car. I bought them years ago in the automotive section at Wal-Mart. Much like the kitchen gloves but nitrile. They might even have some better ones for certain chemicals. I plan to get reusable things for 3D printing to limit waste and even try using a sponge to wipe up resin and clean it in IPA. I'll see how it goes.👍

[@ryanlandry8214]

Update: I've found that cellulose sponges (common kitchen sponges for cleaning) don't work very well with alcohol. My sponges were cold and stiff with alcohol and didn't clean as well. I think a small cloth rag is better. 😉

[@juliobriseno8176]

Good tip about the shop towels! They work great btw. To regards of the gloves dilemma. I've been re-using and usually just discard them when they get punctured.

[@alexandermumm3922]

I do not know why this channel doesn't have more subs.. excellent vid

[@Obienobie]

Just got a printer and this video seems just as relevant today. Great content, thanks for sharing

[@Socrates458]

I got hold of some “chemical gloves” from a factory that can be reused. They look similar to the kitchen gloves, but are rated for some very dangerous chemicals. They were meant to be reused for a time but not indefinitely. I print so rarely (and my successful prints are even rarer) that I have had the gloves for months. My tip for that was to wash the gloves in IPA then leave them to dry in the sun.

[@euroriderdk]

Hey the subs going up Michael, thats super awesome :) I am happy for you. Keep up the great work

[@schuhmansmodelshop8657]

Fantastic videos. They have been very helpful for someone just getting into printing.

[@chrisdanish84]

Great video! I have just got into 3d printing and am down to my last set of gloves that came with the printer. I'm still in two minds what I'll do when they are gone. I would love to continue to print as it's new and exciting but I'm not really aware of the risks. It's hard to find exact answers. As much as I would like gloves I know that there are health care workers really struggling to find the proper protective equipment so I would rather they got to the right people at this time. Thanks for the great videos, they have been a great resource for helping me to get into 3d printing.

[@Nerdtronic]

Thanks. Good luck.

[@chrisdanish84]

@@Nerdtronic I'm not from the US so won't be able to win. Just thought I'd drop a comment to thank you for your videos.

[@Nerdtronic]

@@chrisdanish84 oh bummer. Thanks for watching anyway.

[@martinbirrell57]

About cleaning of the parts - I use water only. I put the part in my ultrasonic cleaner and run it for 15 minutes. Try it if you have one. Will save you big $$$ on cleaning fluid. Here in Australia if you were putting up dunny paper instead of gloves your channel would be swamped lol. I am reasonably relaxed about the handling of the parts in post process. as soon as my part is finished I put the build p;ate and all in a big tub of very warm water. That helps get it off the build plate - but you gota be careful of warping the part. From there it goes straight into the ultrasonic cleaner. Use metho (don't drink any) to clean up your build plate and leave in the sun to dry.

[@Nerdtronic]

Ok now I have to google dunny paper. Oh I see. Haha well here too actually. Stores are empty.

[@MarkWerklund]

Did someone say free gloves? I'm also in the "you should never reuse disposable gloves" group. If I'm teaching someone I make sure they know this, most people will try to reuse gloves. That said, when no one's looking, I reuse gloves if I feel they didn't get too saturated. Shhh, don't tell.

[@Nerdtronic]

Haha. Glad you’re honest about it. It’s easy to slip into bad habits. Good luck on the contest!

[@KelliAmandaHoward]

With a flexible build plate my hands barely ever touch liquid resin I use a paper towel to wipe off the edges that I’m gonna be pulling off and holding and then I just flex the plate everything comes right off and I’ve got some small tongs that I use to handle the wet parts to put them into the alcohol or mean green I do still wear gloves but if it came down to it would probably just go down to a Kitchen glove since I’m coming into contact with so little of it anyway

[@patrickbrett66]

I bought some mechanics Nitrile dipped woolen gloves that I wash after use in my normal clothes wash, I'll let you know how they survive the test of time and use. Essentially I have 10 pairs of gloves that I cycle so that by the tie I come to use them for a 2nd or 3rd time they have sat and off gassed any volotiles before my hand goes anywhere near them. It might turn out that I've wasted my money but at the end of the day Nitrile gloves were nowhere to be seen in the UK and only the mechanics gloves were available, I was told not to use Latex as the resin will eat straight trough them so I am surprised that your yellow gloves are Latex.

[@Nerdtronic]

Resin won’t eat thru latex. It’s more that the monomers in the resin can seep thru. Your skin sweats inside the glove. So it’s not that liquid gets thru. Instead the monomers get thru and can be absorbed into that sweat and then be absorbed into your skin. Theoretically. So thicker gloves might mean more protection. And one study said that latex gloves outside of nitrile gloves, with water in between, can greatly increase protection.

[@patrickbrett66]

@@Nerdtronic Really good to know, I have a couple of pairs of heavy duty rubber (I think Latex) gloves I use for hot water washing up so might give them a go if I need an alternative to the gloves I have now. Thanks for the info.

[@charlesslaton5924]

I'm trying heavy duty nitrile kitchen gloves. Wash em off and let them dry.

[@theGermanPrintingNerd]

Hi Michael, Super Channel Damn I´m running out of Gloves and Resin ( so much running on my Sonic Mini )

[@Nerdtronic]

Unfortunately the contest is over.

[@arttaylor7749]

I agree with you and I also am not a scientist but I do think I have some common sense. Maybe doing it your way may be a little more risky then just be a little more careful. How about that box of gloves?

[@Nerdtronic]

Good luck.

[@Reggie4087]

Excellent video!..Can I ask where you are getting those giant bottles of resin? (the one with the handle)

[@Nerdtronic]

It came with the transform. I bought on the Kickstarter and one of the perks was 5 liters of resin.

[@35mmMovieTrailersScans]

What happened to your film scanner? Have you considered printing yourself the Gugusse Roller?

[@Nerdtronic]

Great question. I stopped working on it. It's pretty complicated. I now own a Wolverine, but there are some issues with it. So I would still like to eventually get the film scanner working. Thanks for the push.

[@markselig311]

Thank you for your tips. Subscribed and would love to win the gloves but either way I am working on setting up my print station thanks to your videos

[@Nerdtronic]

Glad I could help. It’s a constant struggle. I had 2 major spills in the last week. One was a ton on resin spilled. The other was ipa. So I think I need to take everything off my table and put on a new tablecloth.

[@LJLHouben]

The tip for re-using the IPA by putting the contaminated IPA into the sun I didn't know yet. I keep a jar with already contaminated IPA for corse washing the items. So the most resin is off. Then I move the items to a 2nd tank with new IPA for getting off the last of Resin. The IPA of the 2nd tank I also use for cleaning the buildplate and VAT. Both will be whipped with paper drained in IPA for final cleaning and the IPA of the 2nd jar (which is now contaminated) will be put into the first jar. This also saves quite some IPA.

[@Nerdtronic]

That ipa in the sun needs to be in a closed container so it doesn’t evaporate.

[@Nerdtronic]

Contest is over. I’ll contact the winner and get the gloves sent out. Thanks everyone!

[@darkpreacher]

What size mat are you using in this video?

[@Nerdtronic]

They're listed in the description. I actually use plastic lunch trays now also. Put the flex mat on that and its easier to handle and clean up.

[@Figuremakr]

Great video, thanks. Love the hat, Remember The Canterbury! Gloves please. :-)

[@Nerdtronic]

I have more Expanse hats for future videos. I basically made them myself.

[@richardmenz3257]

I wonder how safe it would be to use reusable Nitrile gloves like LANON Nitrile Chemical Resistant Gloves are and leave them outside after each use in the sun.

[@Nerdtronic]

Might work. Might still be good to wear a thin nitrile under it. And then reuse that as well. It'll get sweat inside but I just store those inside out to dry. But luckily I was able to aquire a case of gloves.

[@claudiaetch]

Nice video Michael, thanks a lot! I'm a new at this, really new! My first 3d resin printer arrived yesterday, an Anycubic Photon Mono SE :) So I'm reading your comments about how dangerous are resin and thinking that I bought a non-disposable Nitrile gloves and now I see that is important to not reuse gloves (if we could in this pandemic moment, of course). But I bought the Anycubic Plant-based UV Resin because I have mild breathing problem. Please, could you let me know what you think about eco resin? I think it is less dangerous, right? For me there is no chance to buy any other kind of resin and I know that the soybean oil is more expensive but I want to fell comfortable using the 3d printer machine. So should I also wear disposable gloves? Thanks for your comments.

[@Nerdtronic]

I don't have any experience with soybean based resin. You should check out Goobertown Hobbies video about that plant based resin: kzbin.info/www/bejne/nqWXpZV5nqurm68 Also check out my resin handling guide. I think disposable gloves is important but you can try my technique of wearing only one except when doing high risk activities. These days I typically still wear 2 though.

[@claudiaetch]

@@Nerdtronic thanks a lot! I watched Goobertown Hobbies video and considering that only 55% of the eco resin are soybean oil I think is better to use disposable gloves. Here in Europe we can find easily Nitrilo disposable gloves at the moment. And I've checked out your resin handling guide first and it is really helpful!!! Thanks a lot for your videos, they are great! And thanks for your quick response.

[@CarlosSantos-nk6qp]

Hi! Im newbee in Resin 3D printing, experienced in FDM. The first Resin week I tried to take all security measures, but accidentally my clumsy fingers dipped into contaminated IPA, and it was like a cyanocrilate catastrophe, but "finner". Firstly I got scared, thanks it was noticeable but not such a terrible thing.

[@CarlosSantos-nk6qp]

Thanks for your videos! Very helpful and top skilled as easily comprehensive.

[@Nerdtronic]

Wash with soap and water. Check out my video on handling resin. But I'd just have a plan for how to deal with spills and accidents. Whatever plan you work up, it's better than not having a plan. Good luck!

[@FOOTSMACK3]

denatured alcohol works best! its 95% alcohol. walmart, lowes or home depot. worked great for my resin prints!

[@Nerdtronic]

I need to pick some up. I think I was scared by the word "FUEL" cause I don't want to start a fire. But I'm sure the other IPA is just as flammable.

[@FOOTSMACK3]

@@Nerdtronic lol yeah I was at first too! Best part is it's not in short supply!

[@Nerdtronic]

I'll give it a try. I want to do a video on cleaning parts. Uncle Jessie did a couple of good videos on it. So I need to come up with some ideas to make my video different. I have a few good tips. :)

[@keeganpenney169]

Oh man a box of gloves sounds so good a year later

[@kcsnow9447]

Yeah! IF they really are "in stock." Even with Amazon "in stock" all too often means they were in stock when they left China. And yes, they are, technically, in stock here...but are sitting in a container...on a ship...moored outside Long Beach harbor. That said, almost any other delivery system is worse.

[@3DMuse]

I feel like either nitrile gloves protect you or they don't. I don't know that the amount of time you wear them matters. I'd like to see the actual science behind it, because I honestly don't know. Thanks for the IPA tip. I have some but I really don't like using it for prints etc right now because I have medical needs for IPA and it's difficult to source thanks to the panic buyers and people up pricing it.

[@3DMuse]

Adding this because it sounds reasonable and kind of inline with the counterpoint you shared. Lower weight acrylate monomers pass through gloves pretty quickly, even heavier reusable ones, so to limit exposure you'd need to clean them thoroughly and frequently.

[@Nerdtronic]

Thanks for your thoughts. Yes and I think the study that the gentleman was referencing had some methods to how they were testing the monomers getting through the glove. It's sort of like air getting through a balloon. Eventually it does and the ballon shrinks. The monomers supposedly get through the glove and are absorbed into the sweat on your hands inside the gloves, and then seep into your skin. That's what he was saying. So there is an amount of time when this starts to happen. And the report said NO glove lasted more than 3 minutes with the smallest monomers. However, what were the circumstances? The glove soaked in resin? What was the threshold when the test said "yes monomers made it through"? And in our use case, how often does your glove get soaked? Well like I said, when removing parts from the build plate. So that's the most risky. That same report though, said that if you wore a rubber glove on the outside and a nitrile glove inside - doubled up just like what I'm suggesting - and had some water between the two layers? Well then it reduced exposure considerably.

[@melissaschu]

Well, sh--t, I'm concerned now. I bought 15 mil thick nitrile gloves and thought that I would be safe as long as I cleaned them off with IPA if they got resin on them (and, of course, didn't get a hole in them). Am I to understand that some components in resin are so caustic as to seep through 15 mils and pass into my bloodstream?

[@Nerdtronic]

It’s debatable for sure. If they get really wet I’d toss them. Like if you’re removing parts maybe. They get soaked when I do that

[@Mrpancake72]

It's better safe to get rid of them, but you are more likely to have resin enter your bloodstream through breathing than through your skin. Most photo-polymers are a little large to be absorbed easily through the skin over minor contact. If you are concerned I would look up the SDS/MSDS on the resin you purchased and look up the photo-polymer initiator. These molecules are fairly moderate/fairly high energy and are what start the polymerization in the UV resin. Causticity isn't going to cause something to go through gloves without it physically destroying them. Most of the time it's more like imagine how a coin separating machine works. A dime is smaller than a penny, so if there is a hole the size/shape of a penny, both can get through in the right orientation. However, a quarter or nickle cannot fit through a penny hole no matter how it goes through. It's not a scientifically accurate analogy, but explains one major method of preventing certain chemicals in.

[@kaalenarc]

Good video - im going to start reusing. Hope I win the gloves.

[@rkaehn]

Long shot, but.. did you ever develop an iOS Sudoku game?

[@Nerdtronic]

How did you make that connection?

[@rkaehn]

@@Nerdtronic I was researching Sudoku generator algorithms for an iOS app that I'm working on and came across your (?) comment on a question on Stack Exchange. When I saw the profile picture, I knew that I had seen that person before, but it took me a couple hours to remember that it was in a video about resin printers that I had watched a couple of days earlier :D

[@Nerdtronic]

Guess for better anonymity I need to not reuse my profile pic.

[@chimpsnafu]

Great vid and tips as usual. I don’t reuse gloves either. Would love to win gloves. Resources are running low.

[@Nerdtronic]

Well good luck!

[@danastratton61]

I would love to win the gloves, thanks!

[@Nerdtronic]

Good luck. :)

[@euroriderdk]

Bro thank you for another great video, I do not want to win, since I just bought 500 gloves, here in Europe we can get them easily, but now they cost 4 times more than before the pandemic. Greedy bastards :) Anyway, Love your videos, and I am sure you will get a lot of subscribers, since you have one of the most informative and VERY well made channels regarding 3D printing. I just wonder how did you get your hands on that Phrozen Transform, because when I look for it online, they do not ship out before June-July :/ Stay focus, and please do not stop making videos. AMAZING

[@Nerdtronic]

Thanks! I bought it on the Kickstarter and waited a year to get it. :).

[@spacedoge3508]

Wow I didn’t know that you watch the expanse.

[@RealDaveWinter]

The contest is probably over, but I'm going to add my 5 cents worth anyway (we don't have pennies anymore so I can't give you my 2 cents). 3D Resin is not Skydrol. It's not brake fluid. It's not bottled battery acid. While some people get a little irritation if it gets on their skin, that's really a problem for the few. Most people, it has zero noticeable effect. While I wouldn't handle the stuff without some level of protection, I can assure you I've used far, far, far more dangerous stuff in the aviation industry than I have 3D Printing. Don't drink it, and you'll be fine.

[@szczesnyb]

Hope to win the gloves ;)

[@Nerdtronic]

Good Luck

[@LukePettit3dArtist]

I reuse gloves and only change when they become too difficult to remember if they have been turned inside out. The panic and idiocy about safety on the internet is ridiculous and 99.99% of people aren't concerned about your safety at all! They are more concerned about spreading their righteous beliefs and need to convert you all based on their own fears, rather than fact or science. The human body is an amazing thing and doesn't need the hysteria from the internet experts, and as long as some sensible protection in case of accidents like eye splashes etc and prolonged exposure then you should be fine.

[@Nerdtronic]

Good luck on the contest!

[@dannylammy]

Nice MCRN hat

[@Nerdtronic]

Not many people get the reference. I also have a Beratnas Gas hat and a Tyco Station hat. I've been saving the Tyco one for a future video.

[@Lozoot2]

I realize I'm a month late but if you weren't aware, someone on Hackaday has been working on a custom 8mm/Super-8 scanner that you should take a look at! He even released the fusion files for modifying it, check it out: hackaday.io/project/167426-8mm-film-scanner

[@Nerdtronic]

There are a few projects out there. I’ve looked at a lot of them.

[@InTheLab3d]

dollar store gloves, 5 pack for a buck.

[@nuroo1]

Glove Raffle

[@thomasfascaldo3134]

Nice video very informative ....glove raffle