CEASIOM is linked with the surface modeler SUMO, an open source software developed by larosterna.
SUMO is a graphical tool aimed at rapid creation of aircraft geometries and automatic surface mesh generation.
It is not a full-fledged CAD system, but rather an easy-to-use sketchpad, highly specialized towards aircraft configurations.
Example of mesh for the TCR, generated by SUMO and Tetgen:
