I designed this to fit the Blacktip, but it works on every DPV, The TPU part provides friction and prevents sliding during install. I use a tank strap and its very solid. Ive tested the print in ABS and PET-G, both hold up well in salt water. Here is the link to the ball mounts I used, https://www.amazon.com/dp/B0BXWWRRJ9?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_4
Personal project documentation. Suitability, dimensions, material properties, attachment security, and failure consequences must be evaluated for the actual use. Read the project-use warning.