For Contributing your Own Design Patterns, Symbols to Trinetra for People to Use Freely, follow the Guidelines given below
You Have to Sign up First for getting User Account
Signing and creating User Account will enable you to upload your own design patterns and also you can edit, select properties and add keywords for people to find it.
Then Login with the entered credentials for getting access to your account.
You will get access to user menus.
Contribute: for uploading new patterns.
(You can also add example image to show the Use of this pattern in different designs - Borders/Corners/Wall-Decors etc.)