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Just got an advertising email for a new Anycubic machine about to go to Kickstarter.
“
DLP technology means that there's no screen, but an optical projector, like a mini movie projector, which creates stunning, distortion-free prints with details so precise, it's life-like.”
They have stuck a mirror between the light source and the layer mask. Seems interesting. Maybe this will let them fix the anti-aliasing problem…
Please excuse any spelling errors. I use a tablet frequently and software keyboards are a pain!
Interesting.. this new projector tech could end up changing the 3D printing game
"The larger point though, is that as players, we have more control over what the game looks and feels like than most of us are willing to use in order to solve our own problems"
Why on earth would I buy a printer with 80um detailing, when modern printers are going as low as 43um? Talk about exaggerating the quality of the hardware.
DLP can be better than SLA, but only if you're at the upper end of the market with pricey components and the most powerful machines. Something tells me this won't be one of them, looking at the specs. Hard pass.
This message was edited 1 time. Last update was at 2021/08/28 00:33:20
Ketara wrote: Why on earth would I buy a printer with 80um detailing, when modern printers are going as low as 43um? Talk about exaggerating the quality of the hardware.
DLP can be better than SLA, but only if you're at the upper end of the market with pricey components and the most powerful machines. Something tells me this won't be one of them, looking at the specs. Hard pass.
Jump to about 6:40 - the segments are noted on the youtube and he details why the resolution is lower than many others, but basically its because the technology is so different, which means a lower resolution functionally achieves a higher resolution. LCD basically get shadowing and other elements around the pixels; meaning the 80um DLP can achieve resolutions equal and greater than a 4K LCD printer.
Ketara wrote: Why on earth would I buy a printer with 80um detailing, when modern printers are going as low as 43um? Talk about exaggerating the quality of the hardware.
DLP can be better than SLA, but only if you're at the upper end of the market with pricey components and the most powerful machines. Something tells me this won't be one of them, looking at the specs. Hard pass.
Jump to about 6:40 - the segments are noted on the youtube and he details why the resolution is lower than many others, but basically its because the technology is so different, which means a lower resolution functionally achieves a higher resolution. LCD basically get shadowing and other elements around the pixels; meaning the 80um DLP can achieve resolutions equal and greater than a 4K LCD printer.
That's questionable. Frankly, I'd expect -at best- to get what a current printer is knocking out. The fact they're making the claims they are around bulb lifespan when the ones in DLP printers tend to gradually dim over lifetime but still technically work is another example of their gushing marketing schpiel not exactly matching the technology they're deploying here.
These companies also have a bad habit of using the first batch of kickstarter sales as the beta test guinea pigs for problems they fix later in the design. You get the cheaper 'early bird' rate, but you pay for it in print difficulties. It looks to me like at best, this will be an equivalent for existing stuff on the market, and it's certainly not a revolutionary new technology like they're implying. It's not like that spinning laser/projector fluid resin printer we saw a year or so ago.
I'd rather get something else for now, and then pick one up in a few years once tried and tested if it lives up to their marketing hype.
This message was edited 2 times. Last update was at 2021/08/28 10:28:50
The first resin printer I bought - way back when in 2013 - was a DLP printer. Xy resolution of 50µm and later I bought the next generation with 30µm. I can't see any advantage in quality over the mono printers I use today (50 and 31.5µm).
The printers had a feature where you could change the projection distance, which allowed you to trade detail for build space. The dlp printers had a single bulb as light source. Because of the spherical light emission the different mirrors are hit by light in a different angle and with different intensity, which will show itself in a circular light distribution on the projection plane - the brightest spot near the center and getting darker towards the edges. On the mono systems I use today the light distribution is much more even.
Increased resolution because of having a mirror array doesn't make any sense to me. The mirrors are still distinctive parts, so they will be separated by a "black line". But neither system is optically perfect and so light spills over filling the void between the "voxels" and even bleeding into neighbouring voxels. I would expect the spill over to be stronger on a dlp printer as the distance between mask and projection plane is greater and many mirrors are not hit by light perpendicularly. So I think there would be more bleeding on a dlp printer. This will lead to a smoother looking surface, but not to more detail. Just like overexposing does. In the video above there is the ameralabs testcity. I'm not impressed - but honestly the video quality might be part of it.
I'll be interested whether the quality claim holds.
Cadre Coronal Afterglow w1;d0;l0 
