OpenTunnel Designer has an extensive library of templates for conventional and mechanized tunnels, portals, shafts, and rooms as well as material definitions and excavation tracks. The users can find the templates in the Catalogs groups, as listed below, and can modify or create their own library elements.

Utilities\Catalog: Templates
- Tunnels: Conventional/TBM - Mechanized, Tunnel Boring Machine.
- Portal: Draw and Tag each portal Closed shape and Excavation.
- Shafts: Specify each Shaft section by its Diameter, Thickness, Length, and Slab thickness.
- Rooms: Specify each Rooms by its Height, Length, and Width.
- Excavation: Create excavation Subspaces Modeling, for construction phases.
- Reinforcement: Shotcrete, Jet Grouting, Fore Poles, Fiber Glass, and Rock Bolts.
- Auxiliaries: Draw with 2d sketcher mode and Tag closed boundaries.
- Materials: Define materials for concrete, steel, soils, reinforcements, and miscellaneous parts/objects.
Utilities (bentley.com)
Tunnel Catalog/Tunnel Templates (bentley.com)