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Robo3D collaboration with ColorFabb

Discussion in 'Off Topic' started by sgomes, Aug 29, 2017.

  1. sgomes

    sgomes Active Member

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    #1 sgomes, Aug 29, 2017
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  2. OutsourcedGuru

    OutsourcedGuru Active Member

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    I'd like to get my hands on some of their semi-transparent's and especially the XT-CLEAR, oh yeah. Maybe Braydon can hook us up.
     
    #2 OutsourcedGuru, Aug 29, 2017
  3. Geof

    Geof Volunteer Moderator
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    I think without bed heat you'd be fighting a losing battle with XT on your C2. By all means try, but it likes to warp with anything under around 80 C on the bed.

    If you want colorfabb check out www.printedsolid.com @Printed Solid is a member here as well who pops in from time to time.
     
    #3 Geof, Aug 30, 2017
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  4. OutsourcedGuru

    OutsourcedGuru Active Member

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    Well, dammit, I guess I'm going to have to add a heated bed then. (Easier than convincing the gf that I need a second printer.)
     
    #4 OutsourcedGuru, Aug 30, 2017
  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Nah, Go for the gusto :)
     
    #5 mark tomlinson, Aug 30, 2017
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  6. OutsourcedGuru

    OutsourcedGuru Active Member

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    Do you have any purge issues on that XT when doing a filament change?
     
    #6 OutsourcedGuru, Aug 30, 2017
  7. Geof

    Geof Volunteer Moderator
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    filament change to what? I heat it up to the temp of the material in the extruder, remove the material put in your next material and cool down or heat up to the next filament type being used. No issue?
     
    #7 Geof, Aug 30, 2017
  8. OutsourcedGuru

    OutsourcedGuru Active Member

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    "Back to PLA", I'd guess. The caveats on PrintedSolid's store page sounded like the stuff likes to live in your extruder throat or something. o_O
     
    #8 OutsourcedGuru, Aug 30, 2017
  9. Geof

    Geof Volunteer Moderator
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    nah I havent had an issues on any of my machines.
     
    #9 Geof, Aug 30, 2017
  10. OutsourcedGuru

    OutsourcedGuru Active Member

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    If you could print lenses and prisms from an optically-clear medium like this... and further, if you could have the option to coat a surface with aluminum you could seriously bring down the cost of DIY telescopes, microscopes, holography equipment and such.
     
    #10 OutsourcedGuru, Aug 30, 2017
  11. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    Good luck trying to print any kind of lens or prism with an FDM printer. The problem that still isn't solved is refraction issues at layer and extrusion boundaries. You can lessen the effect by using as big a nozzle as possible with as thick a layer as possible and extruding as hot as possible all at the same time slightly over-extruding your filament. Even DLP printers can have issues with 3D printed lenses but they are much less than FDM printers.
     
    #11 WheresWaldo, Aug 30, 2017
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  12. Geof

    Geof Volunteer Moderator
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    #12 Geof, Aug 30, 2017
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  13. OutsourcedGuru

    OutsourcedGuru Active Member

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    Disney's Research people are kicking some butt in this area. Maybe they're not using FDM however. Here's one example of refractive steganography with a clear lens. From p.6 of the PDF, looks like they used an Objet Connex 350 in one case.

    3d.png

    And another one about printed optics. The PDF for this one, p.2, indicates an Objet Eden260V using Objet VeroClear and this appears to be FDM in this case. Check out the numeric display on p.5 with a stack of clear potential digits. And then on p.7 it goes through some example applications to include lenses and beamsplitters.

    For what it's worth, a long time ago I build a primary telescope mirror there at the Chabot workshop from glass.
     
    #13 OutsourcedGuru, Aug 30, 2017
    Last edited: Aug 30, 2017
  14. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Probably their Polyjet tech...
    Interesting (and non-cheap) but it is a Stratasys. :)
     
    #14 mark tomlinson, Aug 30, 2017
  15. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    #15 WheresWaldo, Aug 31, 2017
  16. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    So Guru, none of this is pertinent to our part of the 3D printer landscape, I don't have a spare $100,000 plus to run a Polyjet printer, but if you are in such a position you can send me the money and I will test it for you.

    The Disney tech is based off the same technology that you can get in a lot of Cracker Jack boxes, when you get the prize of the picture with the Fresnel lens bonded to it. Of course since it is 3D printed they can label it NEW. 3D printing the lens can make it a lot more customizable than creating such a lens in the traditional manner. Also note that in Disney's case they didn't try to solve refraction issues they wanted to magnify them.
     
    #16 WheresWaldo, Aug 31, 2017
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  17. Geof

    Geof Volunteer Moderator
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    I almost got to touch a stratasys once...turns out I dont even have enough money to look in its general direction ;)
     
    #17 Geof, Aug 31, 2017
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  18. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    This discussion has moved a long way from PLA/PHA
     
    #18 WheresWaldo, Aug 31, 2017
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  19. Geof

    Geof Volunteer Moderator
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    I like this discussion better, PLA/PHA is so 3 years ago ;) :D lol
     
    #19 Geof, Aug 31, 2017
  20. OutsourcedGuru

    OutsourcedGuru Active Member

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    Off Topic is off topic? (ye gods)
     
    #20 OutsourcedGuru, Aug 31, 2017

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