The process is simple. First, measure the existing ceiling holes to find the right fit for you. Next, design your downlight online using our simple configurator tool. Custom downlights can be created to fit any opening between 150 and 280 mm. After configuring your luminaire online, a spec sheet is automatically generated with your exact measurements, which can be printed and submitted to your wholesaler. Once the order is placed with the wholesaler, your custom downlight is printed and delivered in just 3-4 weeks. Install in minutes and enjoy your PerfectFit solution.