1. Step 1: Prepare the materials to be used (punch, ruler, cardboard clock core).

Step 2: Trim the prepared photos and several sub-patterns.

Step 3: Make a hole in the center of the cardboard.

4. Step 4: Assemble the clock core on the cardboard.

5. Step 5: After assembling the clock core, paste the digital pattern on the cardboard.

6. Step 6: Paste photos around the digital pattern.