There may be a few
specialist tools contained in this guide. If you don’t have these tools
then please be careful when using other means to remove the can base
Using a diamond cutter on a pillar drill. Carefully cut the bottom out
of the can. Male sure you allow a small amount of the can wall to
remain attached to the bottom of the can.
The bottom removed from the can.
Sand the sharp burr of the can smooth on the inside and outside. Be
careful to not remove any of the cans paint or you will see it!
See How it Works : https://snapguide.com/guides/make-a-tea-light-drinks-can/