During a recent project we designed a replacement surface scraper(skimmer) system for for an effluent treatment plant. Our responsibility extended from concept design, through detail design, procurement management and installation supervision. The replacement system was designed using Solidworks software. 
Photo of old scraper system prior to upgrade 
Close up of Solid model produced using Solidworks 3D CAD software.

Close up photo of installed new scraper system

Photo of new scraper system in place on refurbished effluent DAF tank |