Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make pavers [title] Find a mold. [step] Your paver can be made in any shape or size. You can either create a mold yourself or use something from around the house like a tin pan or deep baking tray.

Ending1: If you plan to work on an old black or brown tin pan, you'll want to get a mold for your outdoor set up as well. You can get cast iron from the arts and crafts store. Ending2: Make sure the mold is at least 2 " thick. [title] Make your concrete mix by combining a ready-made mix, such as mortar or sand mix, and water. Ending3: Any type of shape you like will work, but the simplest shape will be one that you can find " perfect " using your own hand. [title] Cut the upper tube a little bit smaller than your mold. Ending4: It can also be used as a palette for placing objects on the paver. [substeps] If your paver is ceramic or has excess foam or material on the rim, cut it into small pieces to fit inside the mold.

Answer format: ending1/ending2/ending3/ending4