By default there are no option in Tekla Structures to colorize model by profiles. It would be very usefull when checking model profiles.
Application RC Model Colors by Profile
Tekla Wareouse contains application to color model by profiles. This application is free and not require tekla maintenance.
https://warehouse.tekla.com/#!/catalog/details/ede77c52-be51-44b2-9381-c39811d7fd9d
