I found a quick use for my 3d printer over last weekend. I was redoing some trim in my hallway and I have a big rounded corner. The previous trim just came out straight leaving a big triangular gap which was ugly and always filled up with junk. I was a bit stumped for a bit thinking about how I was going to do it before I remembered that I have a 3d printer. So, I measured up the trim and modeled up the 90 degree piece and voala...