Strap attachment for insulated bottle

thingiverse

You're looking to add a strap to your generic vacuum insulated steel water or beverage bottle that's typically sold at Tesco or similar stores, but it didn't come with one. These bottles are also available at Lidl for significantly cheaper, and they do come with a strap included. If you've got the unstrapped version, though, and want to add a strap yourself, keep reading.