In the Release 2025 of OpenTunnel Designer we can add a unit at the start and at the end of a unit with a tunnel corridor but it is not possible to place this unit in the middle of it or adjust this with reopening the multi units created from an x...

It would increase the efficiency modelling a tunnel in OpenTunnel Designer once a not forseen change in the tunnel template occures not to model the tunnel again from scratch.

It would increase the efficiency having such a tool in OpenTunnel Designer. It would allow to store the tunnel template names in an xml / xlsx file to import these settings in a bulk - and not just assign the templates between every two reference ...

Hello. We're building a tunnel and need OpenTunnel to be able to compare the actual data from the constructed tunnel (recorded via scanning) with the theoretical data from the designed tunnel corridor. There are other programs that do this: Istram...