20 years engineering machine design and rendering with Qcad, Blender. My jobs where: Design and manufacture of Bottle Filling/Capping lines for non_carbonated beverages. Sorting and Rinsing lines for "round" fruits. Arregation Pivot Design and manufacture. Greehouse building design and technical dawings. Coils and Coil fixtures for Industrial Induction heating units. Classification of Technical Drawings for projects. My last project was to design and manufacture a Toroidal coil winding Flux destribution of Induction Heating coils using FEMM, and designing Design and manufacture Cutters and Slitters for cardboard carton and paper fabrication. Dies and fixtures for punch presses and sheet metal processing plants. Translation of Technical Catalogs to and from Arabic English & German. The languages I have used for my work are English German and Arabic, In my jobs I usually start from skratch because the machine or production line is just an idea from a client or my own, visualising the idea in Blender, if all is ok, then the Technical drawings in Qcad, drawing the production drawings for each machine. For manipulating images i use Gimp.