US Digital | Models US Digital designs and manufactures incremental and absolute magnetic and optical encoders, inclinometers and interfaces for the OEM manufacturer. Made in the USA. Copyright 2008 US Digital. Tue, 07 Feb 2012 18:12:46 PST HB6M Models Tue, 07 Feb 2012 18:12:46 PST HB6M Model in IGS Format HB6M Model in Parasolid Format PE Models Tue, 07 Feb 2012 18:12:46 PST PED Model in IGS Format PED Model in Parasolid Format PES Model in IGS Format PES Model in Parasolid Format X3Q Models Tue, 07 Feb 2012 18:12:46 PST X3Q Model in IGS Format X3Q Model in Parasolid Format