Welcome to the home page of 'lv', the free viewer, checker, and
adapter for STEP (ISO 10303) files
'lv' allows to:
  • visualize 3D CAD files in the STEP or VDAFS formats
  • visualize assembly structures
  • easily locate individual instances in the STEP files
  • check the geometrical accuracy, data quality, and structural integrity of CAD exchange files (both interactively and in batch mode)
  • extract portions of a STEP file for further analysis
  • fix quality problems in STEP files
  • adapt STEP files to improve data exchange results between CAD systems
'lv' can be downloaded for free. It is available for UNIX platforms (AIX™, HP-UX™, IRIX™, Linux, and Solaris™).