I purchased the Anker 335 charger dock (www.amazon.com/gp/product/B09KY3QGTK/). It comes with a ring for an Apple watch. I tried the replacement ring by Nsganser (www.thingiverse.com/thing:5840925/) and while it did fit the charger puck that came with my wife's Galaxy Watch 6, the end of that charger is usb-c whereas the dock only has a usb-a for the watch charger to plug into. So I adapted the replacement ring for the larger puck that came with my Galaxy Watch 4 (33.6mm diameter). Unfortunately, I had already wound the cable in place with a bit too much slack so I designed a 2nd replacement ring with a bit larger distance between the dock and the charger puck. I've included both.