see through version of waterproof capsule which I intend to use for fuse holder.
Step 1: Material
2 bottles, a pipe that's close to the inner diameter of the bottle mouth, heat gun or soldering iron, and scissors.
Step 2: Cut Off Mouths
cut out the size of container you want. make sure they are close to matching around cut.
Step 3: Seal
melt or glue together, then test with water.