Jeremy's ORD Bot Build

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Re: Jeremy's ORD Bot Build

Postby JeremyBP » Thu Mar 15, 2012 12:17 pm

Well. It happened.
Black ABS is stupid hard to photograph, and my desk lamp really brings out all the imperfections in the surface. It's a really good motivator for tuning my printer. :D
CIMG2695.jpg
Whistle, 0.1mm layer height.

The whistle. This one was a bit interesting. The G-Code adds a little blob right inside the mouthpiece, and at fine layer heights it seems to mess with the timing of the filament flowing, resulting in that little hole. In person you pretty much can't see the ripples, and it feels dead smooth.
CIMG2697.jpg
Link Bracelet, 50% scale, 0.2mm layer height.

The link bracelet at this scale is a really tough print. The one I made at 0.1mm broke because the links were so thin. Still, it looks pretty darn good at 0.2mm.
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Re: Jeremy's ORD Bot Build

Postby bjoerngiesler » Thu Mar 15, 2012 1:59 pm

Wow. Those look awesome.
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Re: Jeremy's ORD Bot Build

Postby rogue555 » Thu Mar 15, 2012 2:36 pm

Yup, those look really nice.
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Re: Jeremy's ORD Bot Build

Postby Gijs » Thu Mar 15, 2012 9:24 pm

Jeremy,

I was wondering if you could give this one a try as well

as I think the result is limited by the roughness of the stl: here a comparison image. Left the ring you printed, on the right a smoother variant (as the link above) both shown without smooth-shading

test-ring-ORD.JPG
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Re: Jeremy's ORD Bot Build

Postby JeremyBP » Thu Mar 15, 2012 9:53 pm

I'm in new york for a few days (and will be visiting makerbot just for kicks), but I will give it a go when I get back. I think the limiting factor is the size at which I was printing it. Those links are really tiny.
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Re: Jeremy's ORD Bot Build

Postby Gijs » Thu Mar 15, 2012 10:21 pm

you could be right, but still I think that the resolution of the printhead is better than the stl, as I can almost see the triangles back in the print you made :)
The rings on top and bottom in the original stl are much smoother than the links, and also smoother in the print.
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Re: Jeremy's ORD Bot Build

Postby IPvFletch » Mon Mar 19, 2012 1:55 am

Gijs wrote:Jeremy,

I was wondering if you could give this one a try as well

as I think the result is limited by the roughness of the stl: here a comparison image. Left the ring you printed, on the right a smoother variant (as the link above) both shown without smooth-shading

test-ring-ORD.JPG

I'd be interested to hear the results if Jeremy re-printed with this revised STL. I agree the difference is amazing in the rendering, so I would imagine the print quality improves too.. ??
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Re: Jeremy's ORD Bot Build

Postby JeremyBP » Mon Mar 19, 2012 3:05 am

Well, here it is.
I printed in some red ABS, so it's much easier to see details (and flaws).
CIMG2704.jpg
The overhangs really kind of sucked. I need to fix that.

The overhangs were harder to print than the original, for some odd reason. I'm re-rendering MakeALot's original file in higher resolution for a print comparison to this one.
Thoughts?
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Re: Jeremy's ORD Bot Build

Postby Gijs » Mon Mar 19, 2012 6:28 am

Sorry about that, I just quickly eyeballed the ring and remade it in Rhino, so there are some geometrical differences. Apart from that, I do think it looks smoother. I am unfamiliar with SCAD, so hadn't thought I could rend it in higher resolution.
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Re: Jeremy's ORD Bot Build

Postby Halfdead » Tue Mar 20, 2012 1:11 pm

Did you ever find the right springs for the heated build platform?
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