I can design assemblies of complex lenses and mirrors, as well as basic opto-mechanical parts, such as lens mounts or baffles. I can import, as well as export STL, IGES, STEP, and SAT. My tool is Zemax OpticStudio Professional. For more about my background and capabilities, please check out my website: ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒