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  • On Sun, Feb 19, 2017 at 2:51 AM, wirelessguyny@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: Was that 2min 30 sec or 2hrs 30min?? 2hrs 30min as it says in the video title. I don't think any of this stuff is fake but for small parts the resolution is not likely to be as good as a projector based system unless a micro lens array was used to...
    Graham Stabler Feb 19
  • On Sat, Feb 18, 2017 at 2:55 AM, Jon Watson jon@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: The exciting thing about this is that 4k screens are so cheap bow, you can make make a large format printer using the same type of resin as this one and have a build area bigger than most filament printers. People are already making LCD printers so...
    Graham Stabler Feb 18
  • On Sat, Feb 18, 2017 at 1:58 AM, Jon Elson elson@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: hhh, I don't believe it! Something really FUNNY about that video. The bottom of the tray/vat is several mm from the phone screen, plus the thickness of the vat bottom. (Hmmm, maybe that black rectangle they put under the phone is a foam pad to press...
    Graham Stabler Feb 18
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  • I was just taking a look, not intending to make anything. Graham On Fri, Jul 15, 2016 at 3:44 PM, 'Randall Wink' rwwink@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: Tell you what. Just leave out the threads and make the end a through hole. I'll send you a different stl file shortly. R. Wink
    Graham Stabler Jul 15, 2016
  • You may want to supply an STL for both halves :) Graham On Fri, Jul 15, 2016 at 1:21 AM, 'Randall Wink' rwwink@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: I just split a full part in half. It shows as a full thread in SWX when the two parts are face to face. It's a standard 1/4 NPT tap, split and the mating surfaces relieved. Yes, it should...
    Graham Stabler Jul 15, 2016
  • Did for me. It shows as a link at the bottom of the email rather than a conventional attachment. Graham On Thu, Jul 14, 2016 at 11:46 PM, dmserve@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: Hello Randall, No Attachments Came through. Drnnis
    Graham Stabler Jul 14, 2016
  • You say you want a couple of them, bare in mind that two identical ones put together will not give you a complete thread. Forgive me if this was not the intention or you thought of this and just supplied the drawing for reference. Graham On Thu, Jul 14, 2016 at 11:40 PM, 'Randall Wink' rwwink@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote...
    Graham Stabler Jul 14, 2016
  • Also for a belt system you will have more backlash under acceleration, get the belts nice and tight. Graham On Sat, Jan 23, 2016 at 6:27 AM, gjo@^$1 [diy_3d_printing_and_fabrication] < diy_3d_printing_and_fabrication@^$2 > wrote: Hi I use Mach3 and Slicer on my 3D home mede printer. X axis uses timing belt and Y rack and pinion. I´m sort of happy with the printing quality but...
    Graham Stabler Jan 23, 2016
  • At high speed you may get rounding due to constant velocity operation, the motion controller will round the corners on purpose. For 3D printing you may get away with higher values for acceleration which will reduce this issue. To test try running very slowly, this will eliminate backlash as an issue. Graham On Sat, Jan 23, 2016 at 6:27 AM, gjo@^$1 [diy_3d_printing_and_fabrication...
    Graham Stabler Jan 23, 2016
  • and am I being unduly worried ? You are being unduly worried :) The belt drives used in these printers mean that crashes are not much of a problem like they might be on a machine tool and the stepper motors are as happy when stalled as otherwise. You won't reach the limits of travel unless there is an issue anyway as there are software limits. Ideally software limits will still...
    Graham Stabler Jan 10, 2016