1)     Open 123D Catch

2)     Tap the hamburger menu () in the upper left corner

3)     Sign in as a user

4)    Select ‘Profile’

5)    Select ‘Captures’ to view all published 3D models

6)    Select one 3D model to be shared on the right side

7)    Tap the share icon

8)     Select one social network on the popped up window. For example, Facebook

9)     Sign in the social network application, Facebook.

10)     Add a description and set features. And then tap ‘Post’ to share