Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › custom STL, rename › Reply To: custom STL, rename May 19, 2020 at 4:16 pm #4960 mgaedtkeParticipant Hi iJoker, I just send you an email. Best, Max