About this 3D model

Housing for "Mini DC 3V-35V 5A Motor PWM Speed Controller Speed Control Switch LED Dimmer" that is available cheap at eBay. http://www.ebay.com/sch/i.html?from=R40&trksid=p2050601.m570.l1313.TR0.TRC0.H0.X%22Mini+DC+3V-35V+5A+Motor+PWM+Speed+Controller%22.TRS0&nkw=%22Mini+DC+3V-35V+5A+Motor+PWM+Speed+Controller%22&sacat=0 Both parts joined together using two small screws.