I don't even know Share this:FacebookTwitterEmailPinterestLinkedInjleyto. exercise4.3Sam Albert – Exercise 4.3By IsabelleStudent by day, asleep at night. Comments (1) Yinong October 18, 2011 at 12:33 pm The diagrams look much more organized and geometrical than the original pictures. Good job! Pingbacks list Join the discussion, leave a reply! Cancel comment Comment Name Email Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.