[quote="lamesh99"] Updated download to updated s/w We share a background I was an Industrial Security consultant. Worked on Grand Central/ Met Life upgrade after 9/11 Retired now! See you found your solution. This S/W may be helpful in future http://www.cctvcad.com/CCTVCAD-Download.html

Hi, lamesh: You asked for advice regarding Sketchyphysics. My advice: Persevere. Read the SP subforum, check out the FAQ, Watch the YouTube videos. Dive in, and ask questions. There are several folks with plenty of insight there.