New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › STL file Import Error › Reply To: STL file Import Error November 23, 2021 at 7:02 pm #6194 achodankarParticipant Hello Mathias, This explanation is very helpful. Thank you. Yours sincerely, Abhijeet C.