Tiêu đề Bộ mở rộng công tắc đèn Tóm tắt Bộ mở rộng kh

My first design. I only had a small back box on my existing light switch and I never got around to knocking it back due to it being a brick construction. So I got my first 3d printer last week and decided to build out instead of building in. Easy enough to make it deeper or shallower.