Adjustable Nalgene Carabiner Loop

DescriptionAdds a carabiner loop to the bottle for those who don't use the standard strap point on their Nalgene or similar bottle. For example, if you use the capCAP+.This just goes onto the standard strap point and gives you a hole to use for a carabiner or sling. AdjustmentI have added a load of example sizes and configurations, but if there isn't one you like, either let me know and I can generate it or use the included FreeCAD document to edit the size. To edit the hole size just op