RETIRED. Mostly consumer product plastic part design engineer for more than 25 years using 3D CAD software (Pro/Engineer/Creo, and SolidWorks). Worked at a prototyping company for over 10 years where they had multiple SLA machines, a Stratasys FDM, Carbon CLIP, and others. First used SLA parts back in the 1990's for prototyping and marketing site-models.