pics and drawings of past projects, like FEA and CFD analysis, the scale car side mirror pics (3 piece snap-fit injection molded), the FLOW vs NONFLOW pic; how I can join seamless tricky surfaces and of course very complex mechanical assemblies like the sprayer, the shift on the fly two speed motorcycle hub, the ratchet system built on injection molded parts that fits in a 3 mm space or the transaxle for race car replicas.