How To Make The Crane Base

Step 1. Fold in half diagonally.

Step 2. Fold again in half diagonally.

Step 3. Spread out from the inside and
 fold again to make a small square.

Step 4. Turn over.

Step 5. Do the same as step 3.

Step 6. Fold left and right corners to the center line (fold on red valley lines), and then fold top corner on the blue valley line.

Step 7. The figure should look like this.

Step 8. Pull the bottom corner up and fold down again. Some folds will be inverted.

Step 9. Turn over and do the same (Step 6, 7, 8).

Step 10. Now you have a Crane Base.