Customizing Nuke with Python - Nuke 101: Professional Compositing and Visual Effects - page 545

10. Select Text1 and insert a Write node after it.
11. Click the File Browser icon and navigate to your .nuke directory.
12. Name the file user_icon.png .
13. Click the Render button; in the Render panel that opens, click OK ( FIGURE I.7 ) .
Figure I.7. The first icon's tree.
Now to make the second icon, this time for the Gizmo itself.
14. Copy and paste the three existing nodes to get another, unattached tree.
15. View Write2 in the Viewer.
16. Double-click Text2 and change the Message property to Safe Areas .
17. Also change the Size property to 8 and the Justify property's first drop-down
menu from Left to Center.
18. With Text2 selected, press Shift-Ctrl/Cmd-Z to insert a SafeAreas node.
19. ChangeSafeAreas1'sActionSafeandTitleSafepropertiestoavalueof1tocreate
a single white outline around the edge of the frame (the small resolution of the
icon doesn't allow for two thin safe area boxes— FIGURE I.8 ) .
Figure I.8. The second icon should look like this.