Round to Square Tube Connector

Im sure there is very unlikely to be someone else looking for this part but here it is anyway:

This is my first attempt at a functional 3d part. I needed to attach a 1" square tube perpendicularly to the end of a 1 1/4 inch PVC pipe (actually I needed two of them). This is my first attempt. There are two versions. The top and bottom are held together by an M6 nylon nut and bolt. There is a slight recess in the bottom to allow the bolt to sit flush so the bottom part can still fit into the PVC