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 2, 2021 at 1:27 pm #6141 AdrianKeymaster The STLreader accepts both the voxel size and the STL reference size as constructor parameters. See e.g. the doxygen documentation.