5015 adapter

i had a duct that just didnt fit so i made this quick adapter so i didnt need to throw a print away for such a small fault.  Im currently making my own end cover with dual 5015 and loved this connection and before i forget i wanted others to consider using the same connection because he did a VERY good job 

i brought the model into tinker cad and cut the connection piece out.  i made the bottom part and then i added them together and did a bunch of clean up in the gap from the models overlapping then tested if the 5015 fan connects clean