He fastened a patch for the hole from some epoxy glue; Araldite is the brand he used, but any two-part epoxy, like JB Weld, should work. One side of the hole was covered with tape and the epoxy ...

See how a simple plastic bottle transforms into a dazzling art piece using epoxy, resin, and UV rays. Skilled hands carefully shape, coat, and cure the material, adding a flawless glossy finish.