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ELEGOO Mars UV Photocuring LCD 3D Printer $210

$214.99
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In stock, and decent price. Highly rated elegoo resin printer.

https://www.amazon.com/ELEGOO-Mar...B07K2ZHMRF - now $214.99
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#2
Pro available on Amazon for 259

looks like the pro price got bumped to 279
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Last edited by NightHawk55 June 29, 2020 at 10:00 AM.
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#3
If you don't need it right away the Saturn model launched like a month ago. They are out of stock last I checked but you get a much larger build area and stronger UV source for faster printing. One of the likely reasons this is on sale. If you are just getting into resin printing one of the key requirements of print cleaning is alcohol which has been impossible to get or to get cheaply, anywhere since COVID. Which is another reason to hold off.
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#4
Quote from digduck
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If you don't need it right away the Saturn model launched like a month ago. They are out of stock last I checked but you get a much larger build area and stronger UV source for faster printing. One of the likely reasons this is on sale. If you are just getting into resin printing one of the key requirements of print cleaning is alcohol which has been impossible to get or to get cheaply, anywhere since COVID. Which is another reason to hold off.
good point on the alcohol- but looks like the Saturn is in a different price bracket unless I'm missing something?
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#5
Quote from NightHawk55
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good point on the alcohol- but looks like the Saturn is in a different price bracket unless I'm missing something?
That's because it's a larger format printer than the Mars, and I do not recommend it at all unless you need the larger format.
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#6
Yeah, this will be my first printer if any format, so starting off smaller should work for me. Saw the Monoprice sale yesterday and this its a comparable price for an arguably better product
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#7
The chemicals kinda threw me off on resin printing. Isn't there waste that's bad stuff?
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#8
Quote from ben_r_
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The chemicals kinda threw me off on resin printing. Isn't there waste that's bad stuff?
Most of the focus I've read is you really don't want to be doing it in an area that isn't well ventilated. The fumes while not deadly are not good long term at all. I want to try out resin printing, but I need to get some sort of ventilation in place first. Before covid hit and made plexigass a hot commodity

Since I would have to do it in the basement which can't easily be well ventilated I was looking into basically building my own large fume hood to hold a resin printer and my FDM printer for printing things other than PLA. A mix of procrastination and unsure about how much I would use it have also delayed the project.


The only actual waste I can think of would be resin that has gone bad and is no longer usable. For that the solution is literally to just leave it in the sun for a while and let it cure and dispose of after that (if the cured resin was a problem then the things you print would be toxic too).




As a note for the other conversation about saturn vs. ELEGOO Mars vs ELEGOO Mars pro I personally am planning to buy the Pro because I think the additional features are worth it for the time and ease of use savings. The Saturn prints much larger prints, but unless you are actually printing that large it adds complexity, the amount of toxic uncured resin you have to deal with, the waste if you don't use it frequently etc.


For my FDM I got one with a 1 foot build plate (Creality CR10S) and I have mostly regretted it since I rarely use the whole build plate and it makes printing small things much harder.
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#9
Quote from LordB
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Most of the focus I've read is you really don't want to be doing it in an area that isn't well ventilated. The fumes while not deadly are not good long term at all. I want to try out resin printing, but I need to get some sort of ventilation in place first. Before covid hit and made plexigass a hot commodity

Since I would have to do it in the basement which can't easily be well ventilated I was looking into basically building my own large fume hood to hold a resin printer and my FDM printer for printing things other than PLA. A mix of procrastination and unsure about how much I would use it have also delayed the project.


The only actual waste I can think of would be resin that has gone bad and is no longer usable. For that the solution is literally to just leave it in the sun for a while and let it cure and dispose of after that (if the cured resin was a problem then the things you print would be toxic too).




As a note for the other conversation about saturn vs. ELEGOO Mars vs ELEGOO Mars pro I personally am planning to buy the Pro because I think the additional features are worth it for the time and ease of use savings. The Saturn prints much larger prints, but unless you are actually printing that large it adds complexity, the amount of toxic uncured resin you have to deal with, the waste if you don't use it frequently etc.


For my FDM I got one with a 1 foot build plate (Creality CR10S) and I have mostly regretted it since I rarely use the whole build plate and it makes printing small things much harder.
Good info. I am hesitant to get a resin printer as well because of the venting situation. I do not have an extra room in the house that I can isolate the printer (and the fumes) in. As far as toxic waste, I worry about all the alcohol required to wash the just printed parts to remove excess resin. Do you just throw that down the drain?
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#10
One of the best and easiest to fix resin printers out there!

I am running 7 of these and have to say that compared to other printers I have used this one regularly out performs them all. The LCDs are a consumable item on these machines so factoring in the ease of use when changing these out is a huge factors that not many people looking into them even know about, let alone account for. The LCD swap on the Mars is by far the easiest of the popular brands and can usually be swapped out and back up and running in 10-20 minutes. I have a couple Photons as well and they are a nightmare to deal with when an internal component goes sideways.

Elegoo does a great job with support and there are a host of different Facebook groups and YouTube videos to get a new user you and running.

The chemicals used in the process are toxic (prior to curing) so it's not something I'd recommend using inside your home. These belong more in a garage/shed/workshop than in your home. Any risk associated with the end user can really be mitigated with a careful workflow, proper equipment, and a CLEAN WORKSPACE before and after printing. Subtitled - don't be a slob and you'll be fine. Some people are more sensitive to the fumes than others, so that is something else to account for.

This is (in my opinion) a great tool to get and start getting used to even in this smaller scale if you are a hobbyist. These machines are only going to get larger and more popular as technology advances and build volumes increase due to the near flawless level of finishes that you can get once you power through the learning curve and start taking on more technical print jobs, multi-piece models, etc.

The silver model is down to $205, btw.
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Last edited by R3TRIBUTION June 29, 2020 at 09:21 AM.
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#11
Quote from hooked01
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Good info. I am hesitant to get a resin printer as well because of the venting situation. I do not have an extra room in the house that I can isolate the printer (and the fumes) in. As far as toxic waste, I worry about all the alcohol required to wash the just printed parts to remove excess resin. Do you just throw that down the drain?
I have a resin printer and live in FL where it's too hot to do work in the garage. The best thing to do is vent out the window. You could either create and easy duct to plywood and directly vent out or take other measures. Personally I have a window fan that exhausts out and print near the window and a respirator for when I work. As for the resin and alcohol you can reuse the alcohol. Basically once you're done resining you stick the dirty alcohol container outside and it'll cure all the resin in it. You can throw away that block and resume the clean liquid that's left over.
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#12
To everyone considering waiting for a Saturn, may I offer a professional anecdote. The Envisiontec printer tehcnology this is based on, the larger P4 we ran vs the smaller Micros, the psa film failed and the printer failed much, much more often and expensively than the micros. When a big resin print fails you have to strain, the parts that fall are pressed into the stretchy "psa film" and damage it. This happens a LOT MORE with large format resin printers. It is not as simple as "oh it makes bigger resin prints". This could of course be untrue, and elegoo somehow figured this problem out, but I highly doubt it. Just wanted to offer that to any potential buyers. I run this machine here at home, and considering when I got my job the comparable envisiontec micro was $12k, this thing is freaking incredible for the $250 i paid. It's not an envisiontec micro, the quality difference can be seen in side by sides we have done of the same models, but it is *dang* close for 1/36 the price.
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#13
So the Mars Pro is supposed to cut down on the fumes and VOCs emitted, this youtube review claims it works well- https://www.youtube.com/watch?v=r...ddM&t=615s

I'll probably set this up in the basement- think having a HEPA air filter next to it while it's running will help?
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#14
I do not have a resin printer so please forgive my ignorance. If I get the pro version is an additional UV source needed for curing the prints or does it cure within the unit itself?
Thank you.
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#15
Quote from LarryE9320
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I do not have a resin printer so please forgive my ignorance. If I get the pro version is an additional UV source needed for curing the prints or does it cure within the unit itself?
Thank you.
Looks like the print will need a final curing step independent of the machine. But most people say you can just it out in the sun for an hour or two
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