# KiCAD
sci-electronics/kicad examples github python
sci-electronics/ngspice shared
dev-libs/boost python context
app-doc/kicad-doc html

# Slic3r
dev-lang/perl ithreads

# Freecad
sci-libs/med python
sci-libs/opencascade vtk
sci-libs/vtk boost python
media-libs/tiff lzma zstd
media-libs/coin doc
media-libs/quarter doc