https://www.amazon.com/gp/product/B07K2SQQX7/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Purchased the headlamp at the above link. I'm very happy with the headlamp and like that the charger is built in and the battery cell is easily replaced when needed.

Unfortunately, the part that holds the band broke after a while. This part fits the lamp very nice and tightly and the angle adjustment works great.

I printed the attached photo in Alpine Green Sparkle PLA.  I also printed using the same profile in PLA silk but the bracket broke on insertion of the light.  If others run into that same issue let me know and I can make a new version where the arms are a tad shorter.  Or you can do so and change it to whatever you wish from the OnShape link below.

A video shows the retention force of the angle adjustment that can be seen here: https://photos.app.goo.gl/Ws5TC8TTnqJt9pud7

Also, if you would like to modify things you can view and modfy with a free account via onshape at this link: https://cad.onshape.com/documents/b6cb63986cc3c331e7735633/v/305498cf96da2664dc476e7b/e/c984f02216d35131302e9c8f?renderMode=0&uiState=659cd677910725119b90784d