Slic3r : A mesh slicer to generate gcode for 3D fused-filament-fabrication ( http://www.slic3r.org/ )
ocrfeeder : Document layout analysis and optical character recognition system ( https://wiki.gnome.org/Apps/OCRFeeder )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a plab
For Paludis use this rsync : rsync://gentoo.zugaina.org/plab-portage
If you have a problem : ycarus(-at-)zugaina.org