Questionable kickstarter raspberrypi lidar thing http://www.kickstarter.com/projects/1108292587/99-lidar-project
open sourced in 2013 with explanation video of Parallax LIDAR (laser+webcam) https://www.youtube.com/watch?v=GlARJShcHik
Concept, same as laser tape measure http://images-mediawiki-sites.thefullwiki.org/11/2/0/8/57037031202080479.gif
Google Self Driving LIDAR 64 lasers spinning, 24 degree vertical FOV https://www.youtube.com/watch?v=9YBE760SaFU&t=59s
Google output https://www.youtube.com/watch?v=_EMAoiqLq9Y
handheld lidar mapping http://geoslam.com/app/uploads/2015/11/ZEB-REVO-Brochure-v1.0.2.pdf
