Script7_SortByWallthickness.lua

-- Lua example for Autodesk Netfabb 2019.0

-- Adds files from a directory to the current tray 

system:setloggingtooglwindow(true)
-- Get root meshgroup from tray
local root = tray.root
-- Iterate meshes in group
for mesh_index = 0, root.meshcount - 1 do  
    local traymesh = root:getmesh(mesh_index)
    local luamesh  = traymesh.mesh
    local matrix   = traymesh.matrix
    newMesh = luamesh:dupe()
    newMesh:applymatrix(matrix)
    ThicknessTd = 0.35  --[mm] Wallthickness threshold, everything below is regarded as too thin 
    AreaTd = 10         --[%] critical area in percent of the total area
    testPassed = newMesh:wallthicknesstest(ThicknessTd, AreaTd)
    if not testPassed then
        if not system:directoryexists('failed') then
            system:createdirectory('failed')
        end
        newMesh:savetostl('failed/ ' .. traymesh.name.. '.stl')
    else
        if not system:directoryexists('passed') then
            system:createdirectory('passed')
        end
        newMesh:savetostl('passed/ ' .. traymesh.name.. '.stl')
    end
end