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Added stacks with OpenScad and Cura profile for CR10-s. #13

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lavalamp-
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Greetings!

Firstly, thank you for putting this work together.

After experimenting a bit with the v18 mask stacks and my Creality CR10-s I needed to make a few changes:

  1. The columns supporting the outgrowths from the front of the mask were too small to successfully print on my printer
  2. The vertical print volume of my printer is quite a bit larger than the largest stack

As such I went ahead and wrote up some code in OpenScad that added some beefier supports between masks and that can produce a configurable number of masks in a single stack. I also included my Cura profile that I've been using to print. Presently, I am able to print two stacks of 14 a piece on my printer in 23 hours, which is such a massive improvement over the two every seven hours I was doing last week.

Happy to add more documentation as needed, but wanted to get these tools into the hands of the community for anyone that doesn't have a Prusa and/or wants to use Cura.

Thank you!

@yschroeder
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Thanks fpr the PR, I'll take a look at this tomorrow!

@lavalamp-
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Hey @yschroeder - gentle bump on this!

@lavalamp- lavalamp- mentioned this pull request Apr 10, 2020
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@yschroeder yschroeder left a comment

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Overall, I like the PR. You put a good effort in documentation, thanks for that! However, I would like to keep this repo printer-agnostic, so we the readme for stackign should focus on the relevant settings for stacks (or the ones you could fiddle with in case it does not work well).

I cannot maintain printing profiles for all kinds of printers, so I would not like to start adding those to the repo. Again, I cannot maintain this.


## Printing

I have successfully printed stacks of up to 14 on a Creality CR-10s using a 1.0mm nozzle. With the profile found in the `profiles/creality/foobar` file the printing process for two stacks of 14 on a single bed is 23 hours and takes up 990g of material.
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I am not sure if we should supply profiles. There are so many different printers and slicers. It would become a mess pretty quick and I am not in the position of solving any issues with these, as I only have access to a Prusa MK2.5S. So I would say we should remove the reference to this profile here.

Instead, the relevant settings for stacking should be pointed out (layer height for the gap, bridge flow...). All other settings are covered in the main readme and/or in the quality control document.


If you're using something other than the CR-10s, here are the general parameters I've had success with here:

* **PLA** - Haven't tried PETG but I hear it works well, these settings probably won't work for it.
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All my tests with stacking PETG failed because the layers bond too strongly together. So I would point out that PLA is strictly recommended for stacks.

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# Creality CR10-s Profile
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We should remove this. Instead, points out the relevant settings for stacks in the stacking readme (see above).

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I am not good with OpenSCAD, so I just believe that this works...

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2 participants