The original size of the reducer was too long for the layout of my bottom boards. I needed them to be 14 3/4in long so made the modifications. I also found using one long connector works better for me instead of two short ones. I have the connectors, brackets and middle section of the reducer in one file. You should be able to ungroup them if you need to split them up. I printed in PETG so, hopefully, they will deal with the heat better.