************ Core Options ************ .. admonition:: Reference :class: refbox | Panel: :menuselection:`Properties editor --> Render --> Freestyle` .. figure:: /images/render_freestyle_core-options.png Freestyle core options. Freestyle can be activated with the checkbox in the header of the Freestyle panel in the *Render* tab. Line Thickness There are two different modes for defining the base line thickness: Absolute The line thickness is given by a user-specified number of pixels. The default value is 1.0. Relative The unit line thickness is scaled by the proportion of the present vertical image resolution to 480 pixels. For instance, the *unit line thickness* is 1.0 with the image height set to 480 px, 1.5 with 720 px and 2.0 with 960 px. Line Thickness Only for *Absolute* line thickness: base line thickness in pixels is 1.0 by default.