Key System Design Studio /Other/Medeco/2_Header/Videos.jpg Need to build a Master Key System? Try the new online Medeco Key System Design Studio. You can build a new system yourself--we've made it fast, easy and reliable! The Medeco Key System Design Studio will walk you through each stage of the design process. This helps eliminate errors giving you confidence that your new system is built to your specifications. If you have questions at any time, use the chat function and help is on the way. The Key System Design Studio is easy to use and best of all, it will reduce the lead time for both you and your customers. The new Medeco Key System Design Studio. Master Key design you can trust. For more information contact the Medeco Master Key Department.