Bosch 200 ft. Green 360-Degree Laser Level Self Leveling with Visimax Technology, Fine Adjustment Mount and Hard Carrying Case GLL3-300G - The Home Depot
Right Angle 90 Degree Vertical Horizontal Laser Line Projection Square Level - Walmart.com
QWORK Right Angle - 90 Degree Horizontal & Vertical Laser Level Line Projection Square Level Laser with Two Suction Cups - - Amazon.com
QWORK Right Angle - 90 Degree Horizontal & Vertical Laser Level Line Projection Square Level Laser with Two Suction Cups - - Amazon.com
3D Machine Vision Using Laser Triangulation - Tech Briefs