Script2_fabbproject.lua

-- Lua example for Autodesk Netfabb 2019.0

-- Loads and manipulates a fabbproject independently from the desktop application 

-- Requires an existing FABBPROJECT file that cannot also be loaded already in Netfabb.
-- The project should contain a selection of parts to see the effects.

filename = 'd:\\demo\\test.fabbproject'

system:setloggingtooglwindow(true)
system:log(filename)

fabbproject = system:loadfabbproject(filename)
outputDir = 'd:\\demo\\output\\'

-- Iterate trays
for tray_index = 0, fabbproject.traycount - 1 do
  local tray = fabbproject:gettray(tray_index)
-- Get root meshgroup from tray
local root = tray.root

    -- Iterate through parts in group
    for mesh_index    = 0, root.meshcount - 1 do
        local rotate    = 0.5 * mesh_index
        local translate = 15 * mesh_index
        local scale     = 1 / (mesh_index + 1)
        local mesh      = root:getmesh(mesh_index)

        -- rotate mesh
        mesh:rotate(1, 0, 0, rotate) --rotate around X in radians

        -- translate mesh
        mesh:translate(translate, 0, translate) -- translate in X and Z

        -- scale mesh
        mesh:scale(scale, scale, scale) --scale proportionally

        if not system:directoryexists(outputDir) then
            system:createdirectory(outputDir)
        end

        -- export source part mesh as STL with implicit application of any transformation
        mesh.mesh:savetostl(outputDir .. mesh.name ..tostring(tray_index) .. '_source.stl')

        -- export part as STL with transformation
        mesh:savetostl     (outputDir .. mesh.name ..tostring(tray_index).. '.stl')
    end
end

-- save the modified fabbproject to a new FABBPROJECT file
system:log('Save \'copy.fabbproject\' ..')
fabbproject:savetofile(outputDir .. 'copy.fabbproject')

-- log all options that were not saved
if fabbproject.notsavedoptions ~= "" then
  system:log('===== unsaved options =====')
  system:log(fabbproject.notsavedoptions)
  system:log('=============================')
end