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The Redsdk settings allow you to control how object appear when using the Redsdk for draft rendering and hidden line rendering.
Shading
Use background color: When it is turned off (On by default), the option for editing internal color of objects will become available (by default the color is white).
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Soften: This field defines glare 'softness' (by default it is 0).
Miscellaneous
Export to RED file: This option allows you to save the current RedSDK settings.