Update - 8/29/23 - I ended up not having a chance to really troubleshoot my issues with the printer after getting it. I got frustrated with the failure of the FEP, then our family moved and it was packed away for nearly a year, and I just didn't have time to mess around with it to get it figured out. I was just about to give up and give it to someone who had more time to getting it working, but decided to try one last time to get it to work. I'm glad I did! It turns out that the resin I had started using initially was a resin that, while it sort of worked in this printer, it was made for a specific brand of printer that operated a little bit differently than the Mars 3. The information on the resin was lacking, and I hadn't realized it, and it caused the resin that was partially cured to overheat while printing, which is what caused the FEP failure. Once I realized it might have been the resin, I switched back to some Sunlu resin I had still, and not only did it succeed with a print, I've had about 15 successful prints since, with the only failure being a pre-supported model that had an issue with the base (so it was the stl file and not the printer that caused the issue). With the speed and quality of the prints I've gotten since I was able to figure out my issue, I've bumped this back up to a 5 star!
I am not new to 3D printing. Previous to the Mars 3, I had an Anycubic Photon Mono and an Ender 5 Pro FDM. Love the Ender, and really liked the Photon - EXCEPT the maintenance nightmare that it was. It seemed that after every third print, the FEP would get holes, or the build plate wouldn't be level and cause a failure, or the LCD would go out. The last straw was the current LCD was starting to go (just replaced it 2 months before it developed a bad spot) and the FEP leaked and damaged the rest of the screen. Suffice it to say, I was NOT pleased with how often I was having to replace the FEP film, nor the fact that I was going to be on my third LCD in less than a year of printing.
That brings me to the Mars 3! I did a lot of research for printers in the Mars 3 price range, and decided that the Mars 3 sounded attractive enough to fit my needs and sounded like it was a little more friendly in terms of maintenance. One of the first things that made me want to get it is that it comes with a factory installed film on the LCD, and it ended up being something that I would need rather early on.
This is where the -1 star comes in, within 7 attempted prints (2 failures due to using new resin I didn't know the settings on), one of the prints had a piece that stuck to the FEP. Usually, that's not a huge issue, but for some reason, the print as it kept going developed a sharp point and ruptured the FEP. Of course, this means that resin leaked onto the screen during printing and cured. The film on the screen worked! I just had to basically peel off the protector and carefully get the resin off the screen. Far easier than what I had to do with the Mono out of the box, and that film saved me from having to get a new screen... AGAIN. But, unfortunately, there are no direct replacements for the screen film that Elegoo produces, which is where that one star comes in. It's FANTASTIC that the screen was protected in this case, but it also sucks that there isn't a way to get a factory authorized screen protector to replace it once the inevitable happens. Good thing is I know about screen protector films now, and that I would eventually need one, so I already have one that I bought just in case this happens (Mach5ive). I haven't had a chance to install it and get back to printing, but once I get the new FEP installed as well as that I should be good to go again.
Pros:
LCD screen protector out of the box
4k resolution - I printed some TINY things with one of the first prints, one being a pirate girl that has a tiny pirate teddy bear on her back, and the details it brought out blow the Mono away.
Looks nice
Factory screen protector for the push button screen - this is a weird Pro, I will admit, but I didn't take the film off of the touch screen for the buttons. I can still push the buttons through it, and this will keep the screen from getting mucky if there's ever a drip of resin that gets on it!
I love that the screws for the vat come out, instead of being embedded in the base of the printer like the Anycubic. Means it will be easier to clean them if/when they get resin on them
Metal area around the LCD - will make clean up easy if some spills, even if it cures, can just be scraped off and cleaned.
Cons:
Plastic base - I don't know how I managed it, but a few drips of resin went down one of the sides of the printer already and cured there before I even noticed it. With having a plastic base, this will never come off.
FEP - I know this is one of the things that come with printing with resin, but having an FEP fail after less than 10 prints is disappointing. I know people who say they've been using the same FEP for a year, and I can't for the life of me understand how that's possible
Overall, though, I am extremely please with this purchase. Out of the box, it was FAR easier to get things set up and going than the Mono, with only needing 2 test prints to get the settings for the resin I was using tuned in. The detail on small items is amazing as well. Print times are pretty much the same as the Mono, for the most part, so there's no speed improvement from 2k to 4k (not that I was expecting any).
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ELEGOO Resin 3D Printer, Mars 3 MSLA 3D Printer with 6.66 inches Ultra 4K Monochrome LCD and Ultra-high Printing Accuracy, Print Size 5.62"(W) 3.5"(D) 6.8"(H)
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ELEGOO Mars 3 Msla Resin 3D Printer and ELEGOO Water Washable Resin Grey 1000g$183.99 $192.58This bundle contains 2 items -
ELEGOO Mars 3 Resin 3D Printer and ELEGOO Mercury Plus 2.0 Wash and Cure Station$255.99 $269.58This bundle contains 2 items -
ELEGOO Mars 3 Resin 3D Printer and ELEGOO 5PCS PFA Release Liner Film$183.99 $199.58This bundle contains 2 items -
ELEGOO Mars 3 Resin 3D Printer and ELEGOO Mercury XS Bundle Wash and Cure Machine$339.99 $404.58This bundle contains 2 items -
ELEGOO Mars 3 MSLA 3D Printer and ELEGOO ABS-Like 3D Printer Resin Grey 1000g*2$183.99 $213.57This bundle contains 3 items -
ELEGOO Mars 3 MSLA 3D Printer and ELEGOO ABS-Like 3D Printer Resin 3.0 Grey 2000g$205.99 $214.58This bundle contains 2 items -
ELEGOO Mars 3 MSLA 3D Printer and ELEGOO ABS-Like 3D Printer Resin 3.0 Grey 1000g$180.99 $187.48This bundle contains 2 items
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ELEGOO Mars 3 Resin 3D Printer
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This Item  ELEGOO Resin 3D Printer, Mars 3 MSLA 3D Printer with 6.66 inches Ultra 4K Monochrome LCD and Ultra-high Printing Accuracy, Print Size 5.62"(W) 3.5"(D) 6.8"(H) |  |  |  |  |  | |
| Price | $177.99 | $219.99 | $211.99 | $44.99 | $237.99 | -5% $617.49 List: $649.99 |
| Delivery | Get it as soon as Monday, Jun 10 | Get it as soon as Tuesday, Jun 11 | Get it as soon as Tuesday, Jun 11 | Get it as soon as Wednesday, Jun 12 | Get it as soon as Monday, Jun 10 | Get it as soon as Tuesday, Jun 11 |
| Customer Ratings | ||||||
| Print Quality | ||||||
| For beginners | ||||||
| Tech Support | ||||||
| Easy to use | ||||||
| Adhesion | ||||||
| Sold By | ELEGOO Official US | ANYCUBIC Official Store | ELEGOO Official US | ELEGOO Official US | Opret US | Phrozen 3D Printer |
| compatible material | Plastic, Copper | Resin | Plastic, Copper | Resin | Plastic, Resin, Copper | Resin |
| file format | STL | STL | STL | — | STEP | — |
| material | Resin | Aluminum | Resin | Resin | Aluminum | Resin |
| operating system | Linux | Linux | Linux | — | Linux | — |
| printing technology | MSLA | — | MSLA | — | MSLA | — |
| weight | 13.67 pounds | 4.25 kilograms | 13.67 pounds | — | — | 14.5 kilograms |
From the brand
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ELEGOO provides 3D printer related products, including MSLA 3D Printer, FDM 3D Printer, Washing and Curing Station, 3D Resin and related printer accessories.
We believe 3D printing technology is the key to innovating and creating a future with endless possibilities.
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Flabbergasting Masterpiece
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Product Description
Best for beginners
"Arguably the most famous resin 3D printer out there, the Elegoo Mars 3 is a great option for both beginners and experts alike.
The Mars 3 is comparable to more premium resin 3D printers, but its ease of use and reputation make it worth a purchase, especially if you’re intimidated by the hobby as a whole."
-------PopSci
Mars 3 is ELEGOO’s first ultra-4k high-precision, compacted-size desktop LCD resin 3D printer.
It uses a 6.66-inch ultra-4K high-resolution monochrome LCD, an upgraded COB UV light source structure, and a new release film 2.0 for printing.
Ultra 4K monochrome LCD
The ELEGOO Mars 3 Resin 3D printer is equipped with an Ultra 4K 6.6-inch monochrome LCD with a resolution of 4098*2560.
Compared with ordinary 2K LCD 3D printers, its printing volume is 37% higher than Mars 2, XY accuracy is up to 35 microns, 30% higher than Mars 2 series, higher printing efficiency, more stable performance, and less maintenance.
Upgrade the light source structure
36 highly integrated LED lights with a newly designed free-form surface lens, the light uniformity exceeds 90%, bringing more precise printing dimensional accuracy.
Heat dissipation structure
It is the first time to adopt a copper tube heat dissipation structure in ELEGOO resin 3D printer, which greatly optimizes the heat dissipation performance and reduces light decay.
With 6000 hours of continuous printing, the light decay is less than 5%, which extends the lifespan of the 3D printer.
Chitubox Pro 1 year experience
A one-year free trial of Chitibubox Pro slicer is included, which is worth 169 USD.
From the automatic support algorithm to the upgrade of the model repair tool, Chitubox Pro helps better output the model and allows you to realize the unlimited potential of 3D printing.
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| ELEGOO Saturn 2 Resin 3D Printer | ELEGOO Saturn 8K Resin 3D Printer | ELEGOO Mars 3 Pro Resin 3D Printer | ELEGOO Mars 3 Resin 3D Printer | ELEGOO Mercury XS Bundle Wash and Cure Station | ELEGOO Mercury X Bundle Wash and Cure Station | |
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| Customer Reviews |
2,302
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3,446
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3,446
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3,482
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| Price | — | — | $211.99 | $177.99 | $234.99 | $201.99 |
| Type | MSLA 3D Printer | MSLA 3D Printer | MSLA 3D Printer | MSLA 3D Printer | Wash Cure Station | Wash Cure Station |
| Product Size | 305.9 mm (L) x 273 mm (W) x 567.3 mm (H) | 280 mm (L) x 240 mm (W) x 462.5 mm (H) | 227 mm (L) x 227 mm (W) x 438.5 mm (H) | 227 mm (L) x 227 mm (W) x 438.5 mm (H) | 246 mm (L) x 230 mm (W) x 363.5 mm (H) | 246 mm (L) x 230 mm (W) x 363.5 mm (H) |
| Build Volume | 219x123x250 mm³ | 219 x 123 x 210 mm³ | 143.43 x 89.6 x 175 mm³ | 143.43 x 89.6 x 175 mm³ | ||
| Printing Speed | 30-70mm/h | 30-70mm/h | 30-50mm/h | 30-50mm/h | ||
| LCD Resolution | 8K( 7680x4320 ) | 8K( 7680x4320 ) | 4K( 4098 x 2560 ) | 4K( 4098 x 2560 ) | ||
| Light Source | Fresnel Lens Collimating Light | 3rd Gen Double Convex Lens | Fresnel Lens Collimating Light | COB UV Lens |
Reviews with images
UPDATED: This printer is impossible to level....
UPDATE: IT's a quality control thing... Elegoo reached out to me and Amazon sent out a new Mars 4 Ultra. I was having the same issue with the new unit. I tested both build plates and could not get them to level without excessively pressing them into the LCD screen. I went back to the original base, used the new build plate and was finally able to get this thing to level. Just an FYI you must remove the resin tank, loosen all 4 screws, retur the unit to zero (with the card in place), press the build plate firmly against the card and tighten the screws, then adjust the z offset back down on the card by 0.1mm until the card no longer moves with minimal effort, then you can set your new zero. Once this was done and I used the proper exposure settings (FYI big shout out to Fauxhammer on youtube for giving me some pointers) I have been able to get 3-7 prints at a time without needing to re-level the build plate. I'd say this is a good resin printer, it is just a tricky hobby. So be ready to do a lot of your own research and trouble shooting!!! This is not a hobby for someone who does not like to tinker, you will be test printing calibrations way more than fun stuff in the beginning, but this should be true with any printer you buy. You will need to know your printer and the resin settings for all you favorites. Sorry I'm a little long winded on this... I have a lot of thoughts but if you made it this far I by no means discount this Elegoo Mars 4 Ultra. It does what it is intended to do and does so with decent quality for a printer under $300 and it is my opinion that you could not go wrong by purchasing either Mars 4 printer. Just know the hobby you are committing to. Oh and Elegoo, if you are reading this, thank you for your constant communication through this but please also do mind the QC process because you do have a good product.I received this printer on Friday and have had failed print after failed print. The print bed cannot be leveled... facing the front of the machine the left side will hold the paper but the right freely slips out. I have only been able to get on successful print by going to zero getting level best I can with the set screws tightened. Then move the bed down 1mm as many times as I can until the paper will not move anymore and backing off by .1mm at a time until I find it is set. My problem with this method is I'm very concerned it will damage the LCD and I can find any instructional videos that show anyone in their right mind utilizing this method. I have spent all weekend waiting for prints to fail, then draining and cleaning the printer, only to go through the whole process again. This last time I finally had some lubricated to apply to the release film which did not help the issue at all. I'm at a loss and I'm hoping that the Elegoo customer service will help with this issue as I really need this printer for work and school. Sorry for the rant but I hope this is helpful to others looking into this printer and I will update when I have more information.
Top reviews from the United States
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Reviewed in the United States on March 22, 2022
Size: Mars 3 4KVerified Purchase
Update - 8/29/23 - I ended up not having a chance to really troubleshoot my issues with the printer after getting it. I got frustrated with the failure of the FEP, then our family moved and it was packed away for nearly a year, and I just didn't have time to mess around with it to get it figured out. I was just about to give up and give it to someone who had more time to getting it working, but decided to try one last time to get it to work. I'm glad I did! It turns out that the resin I had started using initially was a resin that, while it sort of worked in this printer, it was made for a specific brand of printer that operated a little bit differently than the Mars 3. The information on the resin was lacking, and I hadn't realized it, and it caused the resin that was partially cured to overheat while printing, which is what caused the FEP failure. Once I realized it might have been the resin, I switched back to some Sunlu resin I had still, and not only did it succeed with a print, I've had about 15 successful prints since, with the only failure being a pre-supported model that had an issue with the base (so it was the stl file and not the printer that caused the issue). With the speed and quality of the prints I've gotten since I was able to figure out my issue, I've bumped this back up to a 5 star!
I am not new to 3D printing. Previous to the Mars 3, I had an Anycubic Photon Mono and an Ender 5 Pro FDM. Love the Ender, and really liked the Photon - EXCEPT the maintenance nightmare that it was. It seemed that after every third print, the FEP would get holes, or the build plate wouldn't be level and cause a failure, or the LCD would go out. The last straw was the current LCD was starting to go (just replaced it 2 months before it developed a bad spot) and the FEP leaked and damaged the rest of the screen. Suffice it to say, I was NOT pleased with how often I was having to replace the FEP film, nor the fact that I was going to be on my third LCD in less than a year of printing.
That brings me to the Mars 3! I did a lot of research for printers in the Mars 3 price range, and decided that the Mars 3 sounded attractive enough to fit my needs and sounded like it was a little more friendly in terms of maintenance. One of the first things that made me want to get it is that it comes with a factory installed film on the LCD, and it ended up being something that I would need rather early on.
This is where the -1 star comes in, within 7 attempted prints (2 failures due to using new resin I didn't know the settings on), one of the prints had a piece that stuck to the FEP. Usually, that's not a huge issue, but for some reason, the print as it kept going developed a sharp point and ruptured the FEP. Of course, this means that resin leaked onto the screen during printing and cured. The film on the screen worked! I just had to basically peel off the protector and carefully get the resin off the screen. Far easier than what I had to do with the Mono out of the box, and that film saved me from having to get a new screen... AGAIN. But, unfortunately, there are no direct replacements for the screen film that Elegoo produces, which is where that one star comes in. It's FANTASTIC that the screen was protected in this case, but it also sucks that there isn't a way to get a factory authorized screen protector to replace it once the inevitable happens. Good thing is I know about screen protector films now, and that I would eventually need one, so I already have one that I bought just in case this happens (Mach5ive). I haven't had a chance to install it and get back to printing, but once I get the new FEP installed as well as that I should be good to go again.
Pros:
LCD screen protector out of the box
4k resolution - I printed some TINY things with one of the first prints, one being a pirate girl that has a tiny pirate teddy bear on her back, and the details it brought out blow the Mono away.
Looks nice
Factory screen protector for the push button screen - this is a weird Pro, I will admit, but I didn't take the film off of the touch screen for the buttons. I can still push the buttons through it, and this will keep the screen from getting mucky if there's ever a drip of resin that gets on it!
I love that the screws for the vat come out, instead of being embedded in the base of the printer like the Anycubic. Means it will be easier to clean them if/when they get resin on them
Metal area around the LCD - will make clean up easy if some spills, even if it cures, can just be scraped off and cleaned.
Cons:
Plastic base - I don't know how I managed it, but a few drips of resin went down one of the sides of the printer already and cured there before I even noticed it. With having a plastic base, this will never come off.
FEP - I know this is one of the things that come with printing with resin, but having an FEP fail after less than 10 prints is disappointing. I know people who say they've been using the same FEP for a year, and I can't for the life of me understand how that's possible
Overall, though, I am extremely please with this purchase. Out of the box, it was FAR easier to get things set up and going than the Mono, with only needing 2 test prints to get the settings for the resin I was using tuned in. The detail on small items is amazing as well. Print times are pretty much the same as the Mono, for the most part, so there's no speed improvement from 2k to 4k (not that I was expecting any).
I am not new to 3D printing. Previous to the Mars 3, I had an Anycubic Photon Mono and an Ender 5 Pro FDM. Love the Ender, and really liked the Photon - EXCEPT the maintenance nightmare that it was. It seemed that after every third print, the FEP would get holes, or the build plate wouldn't be level and cause a failure, or the LCD would go out. The last straw was the current LCD was starting to go (just replaced it 2 months before it developed a bad spot) and the FEP leaked and damaged the rest of the screen. Suffice it to say, I was NOT pleased with how often I was having to replace the FEP film, nor the fact that I was going to be on my third LCD in less than a year of printing.
That brings me to the Mars 3! I did a lot of research for printers in the Mars 3 price range, and decided that the Mars 3 sounded attractive enough to fit my needs and sounded like it was a little more friendly in terms of maintenance. One of the first things that made me want to get it is that it comes with a factory installed film on the LCD, and it ended up being something that I would need rather early on.
This is where the -1 star comes in, within 7 attempted prints (2 failures due to using new resin I didn't know the settings on), one of the prints had a piece that stuck to the FEP. Usually, that's not a huge issue, but for some reason, the print as it kept going developed a sharp point and ruptured the FEP. Of course, this means that resin leaked onto the screen during printing and cured. The film on the screen worked! I just had to basically peel off the protector and carefully get the resin off the screen. Far easier than what I had to do with the Mono out of the box, and that film saved me from having to get a new screen... AGAIN. But, unfortunately, there are no direct replacements for the screen film that Elegoo produces, which is where that one star comes in. It's FANTASTIC that the screen was protected in this case, but it also sucks that there isn't a way to get a factory authorized screen protector to replace it once the inevitable happens. Good thing is I know about screen protector films now, and that I would eventually need one, so I already have one that I bought just in case this happens (Mach5ive). I haven't had a chance to install it and get back to printing, but once I get the new FEP installed as well as that I should be good to go again.
Pros:
LCD screen protector out of the box
4k resolution - I printed some TINY things with one of the first prints, one being a pirate girl that has a tiny pirate teddy bear on her back, and the details it brought out blow the Mono away.
Looks nice
Factory screen protector for the push button screen - this is a weird Pro, I will admit, but I didn't take the film off of the touch screen for the buttons. I can still push the buttons through it, and this will keep the screen from getting mucky if there's ever a drip of resin that gets on it!
I love that the screws for the vat come out, instead of being embedded in the base of the printer like the Anycubic. Means it will be easier to clean them if/when they get resin on them
Metal area around the LCD - will make clean up easy if some spills, even if it cures, can just be scraped off and cleaned.
Cons:
Plastic base - I don't know how I managed it, but a few drips of resin went down one of the sides of the printer already and cured there before I even noticed it. With having a plastic base, this will never come off.
FEP - I know this is one of the things that come with printing with resin, but having an FEP fail after less than 10 prints is disappointing. I know people who say they've been using the same FEP for a year, and I can't for the life of me understand how that's possible
Overall, though, I am extremely please with this purchase. Out of the box, it was FAR easier to get things set up and going than the Mono, with only needing 2 test prints to get the settings for the resin I was using tuned in. The detail on small items is amazing as well. Print times are pretty much the same as the Mono, for the most part, so there's no speed improvement from 2k to 4k (not that I was expecting any).
Images in this review
Reviewed in the United States on April 28, 2021
Purchased for primarily printing 28-30mm minifigures and tiles for tabletop gaming. I've not used any kind of resin printer before, and I've been very impressed. I'm not one for watching videos to learn how to use something - I prefer a written tutorial. However, there are several videos that will help if you wanted to watch before purchasing.
Our MARS 2 PRO has done an amazing job. We've used it almost every day, and have found that the base settings for the included software (CHITUBOX 64) need to be adjusted based on your own personal preferences and what type of resin your using. It's been easy to adjust and figure out. Some things to consider:
FEV film. It comes with two extra sheets, but they can get damaged pretty easily, depending on use. I haven't purchased any extra yet, but I will review it as well once I've used it. I did find some rolls, but still researching what kind I want to get.
Cleaning. One of the video's I watched showed the difference between simple green and a 91% solution alcohol. I haven't used the simple green but judging on the products washed in the video, alcohol gives a better finish. 91% has not been easy to find, but it's worth searching locally, as a gallon online is around $25. I use it in the wash tank, as well as for cleaning out the resin reservoir. There does seem to be some resin buildup on the walls of the printer top, but it doesn't effect it's use.
Just some of my observations. Here's my breakdown of the rated categories.
Print Quality: Without spending over $500 for the base unit, this is amazing. The detail level is awesome, and the slicing software is highly customizable. We use the small supports, and after experimenting I now leave them at the default settings. The failed prints and the issues I've had have been due to lack of enough supports or adjusting those settings. A large print slice tends to stick to the FEV film if using small or thin supports. It then breaks at the contact point, and has to be carefully cleaned off of the film.
For Beginners: Well, that's what I am. I do wish there was a larger text manual, but that's a user preference. I like to read directions, but there are a lot of videos as I've mentioned. There are some parts that are not intuitive, but with a little patience and practice it's a quick learning curve.
Touch Screen: I'm a little confused as to why this is a rated feature, but it's there so I'll write about it. The file selection is easy, the thumbnail makes it simple to select them, and it isn't hyper sensitive, which is nice. It's resolution could be improved, but I don't think the added manufacture cost is worth it though, and the price is reasonable. I certainly wouldn't want it adjusted.
As I get more experience I may update my review. If you decide to purchase this, enjoy it! I certainly know I have.
Update 1: Our resin reservoir was punctured, and some of the resin cured to the LED lamp. I contacted ELEGOO customer support and received excellent response times and service. MORE UPDATE! We received the replacement LED. Made sure to watch the video recommended prior to replacing it, it really is easy. There is one CRITICAL thing you need to know. When you remove the LED, be sure to separate the glass from the screen itself. We learned this the hard way, and found it with another google search. So, heat the removed component up to loosen the adhesive (we used a hair dryer).
Our MARS 2 PRO has done an amazing job. We've used it almost every day, and have found that the base settings for the included software (CHITUBOX 64) need to be adjusted based on your own personal preferences and what type of resin your using. It's been easy to adjust and figure out. Some things to consider:
FEV film. It comes with two extra sheets, but they can get damaged pretty easily, depending on use. I haven't purchased any extra yet, but I will review it as well once I've used it. I did find some rolls, but still researching what kind I want to get.
Cleaning. One of the video's I watched showed the difference between simple green and a 91% solution alcohol. I haven't used the simple green but judging on the products washed in the video, alcohol gives a better finish. 91% has not been easy to find, but it's worth searching locally, as a gallon online is around $25. I use it in the wash tank, as well as for cleaning out the resin reservoir. There does seem to be some resin buildup on the walls of the printer top, but it doesn't effect it's use.
Just some of my observations. Here's my breakdown of the rated categories.
Print Quality: Without spending over $500 for the base unit, this is amazing. The detail level is awesome, and the slicing software is highly customizable. We use the small supports, and after experimenting I now leave them at the default settings. The failed prints and the issues I've had have been due to lack of enough supports or adjusting those settings. A large print slice tends to stick to the FEV film if using small or thin supports. It then breaks at the contact point, and has to be carefully cleaned off of the film.
For Beginners: Well, that's what I am. I do wish there was a larger text manual, but that's a user preference. I like to read directions, but there are a lot of videos as I've mentioned. There are some parts that are not intuitive, but with a little patience and practice it's a quick learning curve.
Touch Screen: I'm a little confused as to why this is a rated feature, but it's there so I'll write about it. The file selection is easy, the thumbnail makes it simple to select them, and it isn't hyper sensitive, which is nice. It's resolution could be improved, but I don't think the added manufacture cost is worth it though, and the price is reasonable. I certainly wouldn't want it adjusted.
As I get more experience I may update my review. If you decide to purchase this, enjoy it! I certainly know I have.
Update 1: Our resin reservoir was punctured, and some of the resin cured to the LED lamp. I contacted ELEGOO customer support and received excellent response times and service. MORE UPDATE! We received the replacement LED. Made sure to watch the video recommended prior to replacing it, it really is easy. There is one CRITICAL thing you need to know. When you remove the LED, be sure to separate the glass from the screen itself. We learned this the hard way, and found it with another google search. So, heat the removed component up to loosen the adhesive (we used a hair dryer).
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