Remix of AleVit's excellent model from Printables to allow for charing an Apple Watch.
Print 4 pegs for alignment - they have plenty of room even for the poorest calibrated printers.
Recommend adding a manual pause before the top of the base prints and adding sand or (like I did) lead balls for added weight. Use double-sided tape to attach the phone charger, the watch charger will be a fairly tight press fit (ymmv).