Mesh triangle reduction using quadrics

Online 3D CAD Tool. Create stl and gcode for 3D Printer

STLFilt simplifies and/or reformats long-winded C++ error and warning messages, with a focus on STL-related diagnostics (and for MSVC 6, it fully eliminates C4786 warnings and their detritus). The result renders many of even the most cryptic diagnostics comprehensible.