Pointy Attachment for Percussive Back Massager Prospera PL888

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This is a basic percussive back massager that has been sitting around for some time now. It came with two interchangeable heads - one rounded and one bumpy. My spouse pointed out that the rounded head could be improved upon by making it more pointed, allowing for better targeting of specific muscles. I decided to take on this challenge and set about creating a new head for the massager. To do this, I needed to accurately replicate the threading found on the original device. The threads are 1mm ISO in size with a pitch of 1.5mm - I'm not sure if my print exactly matches these specifications, but it did attach securely. To date, it appears to be functioning properly. For anyone who might be interested, this massager is labeled as the "Tony Little Percussion Massager" and was manufactured by Prospera under model number PL888.