Method 1: Find some dreamspray. Go to a place with a positive (dream chemical) atmosphere. The core chemical atmosphere may only extend a few feet from the location and is generated by the people there. Mentally reach out and visualize an image (circle, square, triangle, etc.) with the chemical.
Method 2: Practice slowing down or slowing down your thoughts and repeat to yourself, "Remember to make a square appear," as you go to sleep. Just before you wake, you'll have a near lucid dream. Form a square or command, "Make a square appear," during the near lucid dream. Sometimes this works; sometimes it doesn't.
Note: Your extended awareness (feelings about a place or person) comes from your vision, plus feeling, mood and holographic image information, you receive, contained in the dreamspray chemical around you.