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Type: Posts; User: Slatye

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  1. Replies
    15
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    44,062

    Actually, I'm pretty sure that at least two...

    Actually, I'm pretty sure that at least two people in Australia got kits too. I was one of them, and if I remember correctly there was someone in Sydney due to get one too.

    Unfortunately it took...
  2. Thread: RIP peachy?

    by Slatye
    Replies
    49
    Views
    103,501

    I guess the problem is that a loan has to be...

    I guess the problem is that a loan has to be repaid (unless you're David Boe, of course).

    In this case the loan would essentially be so that Peachy could ship products that customers had already...
  3. Thread: RIP peachy?

    by Slatye
    Replies
    49
    Views
    103,501

    Wow, it's like the Makibox all over again - but...

    Wow, it's like the Makibox all over again - but with more crime and less incompetence.

    Would there be a possibility of having backers pay a bit more to cover the cost of the remaining parts...
  4. Replies
    37
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    41,787

    The dripper is only "controlled" by a manual...

    The dripper is only "controlled" by a manual valve - the printer itself can't change the drip rate. As Synchron has said, if you replace the dripper with a pump then you can print a perfect 90 degree...
  5. Replies
    37
    Views
    41,787

    You probably can't print a "perfect" 90 degree...

    You probably can't print a "perfect" 90 degree overhang simply because of the mechanics of the Peachy printer - the water level is rising continuously (the printer has no control over that) and it's...
  6. Replies
    61
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    65,487

    Same here! I'm in Canberra, so we'll most likely...

    Same here! I'm in Canberra, so we'll most likely get them at much the same time.
  7. Replies
    21
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    19,077

    A peristaltic pump seems like a good option for...

    A peristaltic pump seems like a good option for this. A small, constant volume delivered on each revolution is exactly what we need, and it should be largely immune to corrosion from salt water. And,...
  8. Replies
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    19,077

    Ultrasonic? Has the advantage of keeping dogs...

    Ultrasonic? Has the advantage of keeping dogs away from the printer while it's active!

    Alternatively, we already have a wave-generator ready to go: the dripper. By default it 'drips' under the...
  9. Thread: Ideas

    by Slatye
    Replies
    16
    Views
    25,158

    I suspect the easiest way of removing the salt...

    I suspect the easiest way of removing the salt water will be to simply have a tap on the bottom of the build container. Open the tap to drain the water into a bucket, then empty the bucket back into...
  10. Replies
    16
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    8,660

    I don't think that's true for Kickstarter...

    I don't think that's true for Kickstarter projects. For Kickstarter projects, shipping anything at all to the customer counts as a major achievement - even if it's late, even if it doesn't work as...
  11. Probably just because of speed. Even a...

    Probably just because of speed. Even a super-quick servo will take maybe 100ms to get reposition the disc, whereas the electronics to turn the laser on/off can probably operate in microseconds...
  12. I definitely can't see these being a big problem...

    I definitely can't see these being a big problem for such a cheap printer, as MagicDan said. The normal problem for other cheap (ie three times the cost of the Peachy) printers is along the lines of...
  13. Replies
    21
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    15,774

    I'm somewhat amazed that the "standard" Peachy...

    I'm somewhat amazed that the "standard" Peachy did that. I was expecting the normal Peachy to be limited to "normal FDM printer" sort of dimensions (eg. maybe 25*25*25cm), with the Pro being needed...
  14. A gram is a cubic centimetre of water. The resin...

    A gram is a cubic centimetre of water. The resin is much the same density as water. I'm pretty sure that the volume of one of those propellers is significantly less than a cubic centimetre. I'm going...
  15. Replies
    3
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    2,933

    The figure I've seen is 262144 counts (ie 18-bit)...

    The figure I've seen is 262144 counts (ie 18-bit) over 40 degrees.

    If the Peachy can actually achieve that, then to maintain 0.1mm precision you could have the print surface about 37m away. You...
  16. Replies
    3
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    2,933

    (1) No idea. I think in the past they've used a...

    (1) No idea. I think in the past they've used a metal mesh (which neatly lets resin rise through it, and also gives something for the plastic to grab onto). Presumably other things will work too.
    ...
  17. I suspect that it'll still be an issue. The...

    I suspect that it'll still be an issue. The inertia of the mirrors must be very close to zero (because they're very light and also very small). I wouldn't be surprised if even the smallest practical...
  18. Yes, you can definitely improve resolution with a...

    Yes, you can definitely improve resolution with a bigger disc. The limiting factors will be how fast the mouse sensor can read it (although modern ones are very quick) and how badly the extra inertia...
  19. Mike - the problem is that you can't measure the...

    Mike - the problem is that you can't measure the position of the mirrors as accurately as the Peachy can drive them. As jontelling has said, the Peachy can apparently do 262144 counts over a range of...
  20. I've got two: (1) The "pin grid". This was...

    I've got two:

    (1) The "pin grid". This was something that I never could persuade the Makibox to print. It's designed to be printed upside down (ie pins downwards), and it tends to cause three...
  21. The nice thing about using cameras is that...

    The nice thing about using cameras is that there's a bunch of research already into making cheap-and-nasty cameras (with horrible optics that cause odd distortions) behave like "ideal cameras" (zero...
  22. How about just doing direct feedback on the laser...

    How about just doing direct feedback on the laser position with a camera?

    The Peachy team has shown videos of the Peachy illuminating the resin as it prints. Point two webcams into the container...
  23. Replies
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    Peachy Pro update

    Just saw the update on the Peachy Pro:


    https://www.youtube.com/watch?v=QgBVKCh5YXg

    This looks great. It'll be interesting to see how much better it works with feedback, and hopefully there'll...
  24. Replies
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    3,398

    Honestly, I'm very impressed that they've gotten...

    Honestly, I'm very impressed that they've gotten this far with it. I was sort of expecting that after six months they'd go "ah, we really should have charged about five times as much for this. The...
  25. Thread: Peachy Ripoff ?

    by Slatye
    Replies
    3
    Views
    3,730

    Canberra? Cool, I might be able to check it out...

    Canberra? Cool, I might be able to check it out if they put it on display.

    I was looking at a pressure sensor for the Peachy, but pressure sensors are expensive ($25 or so for a high-resolution...
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