Connecting points, fastening surfaces, and aligning channels have many markets
These are quesstimations based on experimentation, models made and market reseach.
Plastic consumer containers
Molded plastic assemblies
Industrial, commercial and consumer electrical wiring
Industrial Fasteners and Connections
Electrical, Electronic, Optical connections
Precision Fluid and Pneumatic channels
Aircraft and Aerospace
High vibration environments like jet engines and rockets.
High pressure and/or temperature pipes.
Bridges, Buildings and Ships
Sea faring ships and equipment
There are other markets.