Slic3r 1.34.1 - Prusa Edition (Beta)  

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Eminent Member

Just curious. Did anyone from the Prusa Slic3r development team see the "supports printing in air" bug I reported above?

Just want to make sure it has been noted. If there is a different mechanism for reporting bugs, please let me know.


- Brad

Posted : 21/05/2017 10:43 pm
Active Member

Was the bug reported in the last beta thread in relation to 'scars' caused by the nozzle moving along the previous layer resolved?

Posted : 23/05/2017 11:10 pm

Hi Brad,

did you notice an updated version with some bug fixes ?

Maybe your bug is fixed now ?

I'm like Jon Snow, I know nothing....
Posted : 24/05/2017 10:58 am
Eminent Member

Hi, Christophe,

Thanks for the heads up.

I downloaded the latest packaged installer from - v1.7.8.1 (May 23, 2017). It contains Silc3r v1.34.1. The bug still exists in this version.

Next, I downloaded the latest Slic3r PE from GitHub per Christophe's recommendation. The contents of the .zip file were dragged into the C:\Program Files\Prusa3D\Slic3rPE folder. This installed Silc3r PE v1.34.1.24.

I can confirm that v1.34.1.24 has fixed the bug!

Thanks, Christophe, and to the Prusa development team.

- Brad

Posted : 24/05/2017 5:46 pm
Eminent Member

Anyone point me in the right direction to install the PE Slic3r into Octoprint? Thanks in advance

Posted : 10/06/2017 10:12 pm

Hi John,

To run slic3r on RPi you need an arm binay version. However there is no ARM compiled version on the PR repository, so you'll need to compile it. I do not see any specific guide for the PR version, but this guideline may be a good starting point:

In addition, on OctoPrint side, you'll probably need this plugin:

This is just my 2 cents, I never tried it and really prefer to use the GUI version.

I'm like Jon Snow, I know nothing....
Posted : 13/06/2017 12:16 pm
Stef Dwprod
New Member


Could you try "Layer Editing" after adding stl object with version (from prusa pack Mac version ?
Because, after clicking it: slic3r quit automatically...

Slic3r works very fine with version 1.34 (from prusa pack Mac version 1.7.6)


Posted : 13/06/2017 11:52 pm
Vojtěch Bubník

> Could you try "Layer Editing" after adding stl object with version (from prusa pack Mac version ?

This is a known issue and it is specific to a maximum layer height value set to the default "0".

It has been fixed already in the latest Slic3r 1.35.3 beta.

Posted : 14/06/2017 10:05 pm
Active Member

Hi all,

Very much a novice here, but learning so much every day with each success, mistake, and reading posts on forums. Dare I add YouTube Videos to the list as well.

I just finished my build of a MK2s and wanted to use slic3r prusa ed. Confused on why I can not export a file my MK2S can read and print from.

1. I "add" the .stl file I downloaded from thingiverse
2. Check the setting for the print (layers, details, etc)
3. Slice it
4. Export .stl file to the SD card.

When I load it into the MK2S it does not see the .stl file, but it is there.
If I export it as a .gcode file my MK2S sees it, but when I try to print that file, nothing happens.

Any suggestions for a beginner with only 13hrs print time under my belt? I really want to try using this software because of ease of use, but not so easy for me for some reason.

Posted : 13/07/2017 3:03 am
Estimable Member

Hi Robert,

When you slice the STL you need to EXPORT THE GCODE that is created from the slicing of the STL file. Copy the GCODE file to the SD card. You will now see the file on the printer.

3D printing newbie - wanting to learn 😀 - 1st "printer" TIKO 3D
- 2nd PRUSA i3 MK2S with MMU v1
- 3rd PRUSA i3 MK2S
- 4th PRUSA i3 MK3 with MMU v2 on order...
Posted : 14/07/2017 12:41 am
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