You can modify the drawing properties of the building objects (parts, bolts, reinforcement, surface treatment, welds, pour breaks, pour objects) in an open drawing. For example, you can change the colors and line types of different kinds of lines, or add hatch patterns in parts and cross sections.

1. Click a building object, for example a part, reinforcement, surface treatment, or bolt.
   If the property pane is not open, double-click the building object.
2. Change the building object visibility and representation.

   For example, change which lines and markings are shown, and modify the color and type of the lines. You can also add fills to building objects.

   You can use a standard color or a custom RGB color.

   XS_CENTER_LINE_TYPE overrides the center line type set in the drawing, view, or object level properties.

   XS_SECTION_LINE_COLOR_RGB overrides the section line color set in the drawing, view, or object level properties.

   For details about the properties of various building objects, click the links at the bottom of this page.

   Note that the center line is only shown for assembly main parts but not for secondary parts when looking from the cross section direction. If the part is viewed from the side, the center line is also shown for secondary parts.

3. Click Modify.