Issue I131 [80,enhancement,mostlyresolved] CAD Import/SL Tools included in SIMION 8.0. The SL Tools (sltools.exe) utlity for PA import/export, including CAD (.stl) file import/export is now included in SIMION 8.0. See http://www.simion.com/sl/tools_tut.html and Appendix J "CAD Import (STL Files)" in the SIMION 8.0 manual. Possibly in future: Integrate CAD and SL Tools functionality from the SL Toolkit into simion.exe. Added in 8.0.0.