Dyson V6 join stress release ring

After a few years the join between the body of my Dyson and the attached tools woobles a bit. In order to avoid breaking the body, I created this ring which would reinforce the joint making it stiffer.

I have printed this ring in PETG

The original file is available here https://cad.onshape.com/documents/b616e93cf4a978c797ab7c41/w/dc3652562950bb1555f7ada1/e/6e2db0ef4f530b6725b69bdb?renderMode=0&uiState=632f8ac311817c6ce12f2d3f