Vid-20230122-wa0373.mp4

If it's one of these popular crafts, here is how you usually start: Match the numbers on the tabs to the corresponding edges.

Since I can't see the video, could you describe what the paper project is? Knowing the shape or function will help me give you the right steps. Common Paper "Put Together" Projects

Use a "mountain fold" (fold down) or "valley fold" (fold up) as indicated by dashed lines.

Apply a small amount of glue to the tabs and hold for 30 seconds. Start with a perfectly square piece of paper. Crease sharply with your fingernail for better precision. Follow "inside reverse folds" for complex corners. Modular Paper Units: Fold several identical "units" first.