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This is my best selling model for 2019. Download, print, assemble, enjoy. Merry Christmas :)
Originally modded as an engagement ring box, it became really popular birthday gift for the colleague from heart-related departments. I'm selling one of those models for 35$ I'm always bringing few, when I'm going on conference. Really nice gift.
I'm printing those with Silk PLA. The metalic colors looks fantastic. I'm using several support blockers for the atrii, because this negates the artefacts and makes the whole upper part hollow. It requires some experience...
Slice thickness: 0,15mm
Infill: 30% gyroid

Circular bottom fill pattern.
Six neodymium magnets, 8x2mm. If you use too powerful magnets, the parts are closing so strong, that they can hurt someone. N50 are fine.
cyanacrilic glue.
Make sure you're gluing the magnets with the right poles!




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On every slicer there is a "support blocker" function - you can add a simple object and in the volume of it the support won't be generated. On Cura it was bugged the last time I checked, but on Slicer it works great. Or you can select "support on build plate only" and then to add few "support enforcers" on the big vessels, which is the more elegant solution. Anyway, at the end the big vessels and the ventricles will be a hollow shell. 

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On 2/14/2020 at 10:32 PM, valchanov said:

On every slicer there is a "support blocker" function - you can add a simple object and in the volume of it the support won't be generated. On Cura it was bugged the last time I checked, but on Slicer it works great. Or you can select "support on build plate only" and then to add few "support enforcers" on the big vessels, which is the more elegant solution. Anyway, at the end the big vessels and the ventricles will be a hollow shell. 

1.png

2.png

3.png

 

Hi @valchanov and thank you! I was actually wondering where exactly you put the blockers... well I'm almost done my first print of this, and I just enabled support everywhere (but from bed only) so we'll see how it looks... I'm using MK3S and PrusaSlicer too.

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For this particular model, I used support on the build plate only and few small support enforcers for the overhanged parts of the big vessels. I also added a "box" support enforcer from the base to the level of the valves, because with support on the build plate only there is a small part of the aortic valve, which doesn't print well. With those settings, the entire athriums will be clean and the vessels will be steady. It requires to play a bit with the settings, but at the end the control over the support will increase significantly the results of the 3d printing.

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