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joergen

3D modeling design tip to prevent curling

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Posted · 3D modeling design tip to prevent curling

Found this video talking about design changes if the model lifts off the bed:

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Posted · 3D modeling design tip to prevent curling

Thanks for that Joergen, I've been getting a bit of warping just with PLA!

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Posted · 3D modeling design tip to prevent curling

Thanks for the link, that's a great example of the type of creative thinking needed to get around some of the limitations of these machines.

Has anyone here come up with a heated bed for their Ultimaker to get around this?

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Posted · 3D modeling design tip to prevent curling

I've got a reprap bed, I have to manually handle the heat as it's on a different power supply. But it fits fine.

-b

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Posted · 3D modeling design tip to prevent curling

This was also posted on hackaday:

http://hackaday.com/2011/11/15/a-techni ... 3d-prints/

From the comments:

 

A combination of using PLA and a heated glass bed has eliminated warping entirely for my RepRap. No matter how large the print is, nothing warps, not even the corners. PLA on hot glass is magical like that. At 70C, PLA will stick to hot glass well enough that you’ll need a hammer to knock it off, but as soon as it cools to 40C, the piece will pop off by itself.
I really like the "pop off by itself" part. Because I still have removing issues from the blue tape.

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Posted · 3D modeling design tip to prevent curling

Exactly as Daid said, no curling and the parts come right off after it cools to 40-50C.

ABS doesn't want to stick to the glass at all but PLA and ABS can be made to be happy

together on a heated Kapton covered bed.

-b

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