OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › STL FIle Import (Complex Geometry): Resolution Query › Reply To: STL FIle Import (Complex Geometry): Resolution Query November 23, 2021 at 2:01 pm #6189 mathiasKeymaster Theses are different ray traying approches which are more or less robust and fast. Best Mathias