Reference Points
You can create several types of reference points to use as construction objects. You can also create multiple reference points that are a specified distance apart on curves. Click View, Points to toggle the display of reference points.
When you select items, the SolidWorks software attempts to select the appropriate point construction method. For example, if you select a face, SolidWorks selects the Center of Face 
construction method in the PropertyManager. You can always select a different type of point construction method.
To create a single reference point:
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Click Point 
on the Reference Geometry toolbar, or click Insert, Reference Geometry, Point.
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In the PropertyManager, select the type of reference point to create.
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In the graphics area, select the entities to use to create the reference point.
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Click OK 
.
To create multiple reference points along a curve:
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In a model with a curve, click Point on the Reference Geometry toolbar, or click Insert, Reference Geometry, Point.
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In the PropertyManager:
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Select Along curve distance or multiple reference point 
.
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Select a curve along which you want to create the reference points.
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Select a distribution type: Distance, Percentage, or Evenly Distribute.
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Set values for Enter the number of reference points to be created along the selected entity 
and for Enter the distance/percentage value according to distance.
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Click OK .