OpenLB – Open Source Lattice Boltzmann Code › Forums › on Lattice Boltzmann Methods › General Topics › change D3Q19 to D3Q27 › Re: change D3Q19 to D3Q27 May 4, 2017 at 10:43 am #2620 robin.trunkKeymaster Hi lesmodel, for this constructor the origin point for the plane defaults to the center of the considered geometry. Best Robin