To dream of blueprints detailed pre-planning or a perfect plan of action. Careful planning about how to achieve a goal or improve a relationship. Alternatively, blueprints may be a sign that you need to put more effort into your plans or goals.
Negatively, blueprints may be a sign that you are too concerned with planning an outcome or believing that relationship should be perfect.
Example: A woman dreamed of finding blueprints. In waking life she was trying to come up with a perfect plan to get her boyfriend back and keep the relationship happy.