+<b>Modification of Dimension properties</b>\r
+\r
+The default properties of dimension text and line, such as font color, line width, measurement units, etc. can be defined from the \ref geometry_preferences_page "Geometry preferences".\r
+\r
+It is also possible to change the geometrical properties of the selected dimension interactively in the viewer. \r
+\r
+When hovering with mouse, the text and line become highlighted, which means that the dimension is ready for interactive operations.\r
+\r
+\image html interact_with_dimensions.png\r
+\r
+The following operations are possible:\r