Flower stems from plastic bottles.Did it and it worked very well.kinda cool. Cut bottle in a 1/2 inch patteren you can use almost the whole bottle. Heat the plastic with a hair dryer.BE CARFUL! IT WILL BE HOT. twist plastic as it gets hot. You can cut the plastic at any time if you have enough. I used a 1 liter bottle and it made enough stems to make 20 regular flowers or 4 huge flowers!