Origin elements generally includea Crosshair and a Target (Circle). 

The elements scale themselves tothe part size within user definitions, in combination with hard-coded minimumand maximum limits.  Origin controls maybe found in the Drafting Options to include origin elements consist ofCrosshair, Target, both or neither.

The length of the crosshair linesare limited to a minimum of the smaller of, one half the minimum of thecourtyard length or width and not to exceed the Crosshair Sizeoption.  The displayed line length will be the specified linelength plus the line width.

 The target is scaled to maintain aconstant size relative to the crosshair and not exceed the Target Diametersize option.  The displayed target outside diameter will be thespecified size plus the line width.

The limits are to ensure theorigin always remains inside the footprint extents without becoming excessivelylarge or small.