Note: This project is no longer maintained. The latest Cura versions have excellent support to directly slice and send gcode to OctoPrint, and hence render this plugin largely obsolete.

If you are interested in taking over the ownership of this plugin, please PM me.

OctoPrint Slicer

Slicer plugin offers useful features that OctoPrint's built-in slicer doesn't have:

Rotate, scale, and move STL models.
Slice multiple STLs at a time. Split 1 STL into unconnected parts.
Circular print bed support (do you have a delta printer?).
High-light overhang areas. Automatically orient the model for better result ("lay flat").
Slice based on Cura profiles you upload to OctoPrint.
Customizable slicing settings, including Basic (layer height, bed temperature ...) and Advanced (print speed, start/end G-code ...).
Slic3r support (when Slic3r plugin is installed).
More is coming...

Setup

Install via the bundled Plugin Manager or manually using this URL:

https://github.com/kennethjiang/OctoPrint-Slicer/archive/master.zip

Contribute

Are you a proud developer? Do you want to pitch in? I have made it as easy as 1-2-3:

Install Docker. Make sure Docker compose is also installed.
Clone OctoPrint-Slicer and run it

git clone https://github.com/kennethjiang/OctoPrint-Slicer.git
cd OctoPrint-Slicer
docker-compose up

Open http://localhost:5000/ in your browser

Thanks

BrowserStack generously sponsors a free license so that I can test Slicer Plugin on different browsers/versions.