From OpenSCADAWiki
Immediately after creation the new frame it is necessary to set its basic properties, characteristic to the mnemonic scheme frame. Properties or attributes of any visual element can be specified in the toolbar "Attributes", pre-selecting the desired visual element. Let's select the created frame "AT 101" and set the following properties:
- "Geometry: width" — 900;
- "Geometry: height" — 600;
- "Page: group" — "so", for including the frame into the container of the mnemonic schemes in execution;
- "Background: color" — "#5A5A5A";
- "Border: width" — 1;
- "Border: color" — "black".