Cheapest easiest recycled-trash pellet hopper for your Filastruder. Cannibalize a soda bottle, only basic caveman tools required. No reason it won't work with a 2L bottle for those of you with lots of pellets to extrude. Might need to cannibalize a hanger to keep it steady though.Step 1: Cut the bottom out of your average soda or water bottle. Step 2: Heat the mouth with a stove, candle, heat gun, etc and shape the opening with a pair of pliers until it will fit in the hopper of your filastruder. Step 3: Insert bottle into hopper opening, make sure it fits snugly and doesn't wobble around. Step 4: 'Strude.