[header] How to create a mold for candles [title] Save heavy cardboard type containers. [step] Useful types of cardboard include a pringles can, chinese take-out containers, or waxed milk cartons. Make sure that the cardboard is coated with wax in some way...regular cardboard will absorb the melted wax and become a fire hazard, not to mention a mess. 
[title] Wipe the inside of the container with a damp paper towel to remove any food residue. [title] Attach your wick to the center of the inside of the container.