I do my best to leave something good in this world for the others. If anybody disagrees with what I'm doing for free, then that person is free to do things as desired and share the work with everybody else, just like I do, for free... and freedom.
Manufacturing simulations (models in various formats + videos). I will gradually add 130+ videos and models of the basics, advanced machining definitions and the use of jigs and fixtures in PTC Creo 6 and 8.0.