Tip:

Align edges carefully so the center cross is exact.

Tip:

Press along the full length of each diagonal for sharp guides.

Tip:

Let the existing creases guide the collapse.

Tip:

Keep the points aligned at the tip for a tidy base.

Tip:

Smooth from the center outward to remove air pockets.

Tip:

Check that all layers are even before continuing.

Tip:

Stop exactly at the center to keep both sides symmetrical.

Tip:

Create a crisp crease—this mark is used immediately.

Tip:

Unfold gently to keep the paper smooth.

Tip:

Confirm the center line is straight from tip to tip.

Tip:

Lift slowly so the paper follows the pre‑creases.

Tip:

Guide the layers so they settle flat and even.

Tip:

Keep the layers pinched together while flipping.

Tip:

Use the existing creases as a roadmap.

Tip:

Match the angles to the folds you made on the first side.

Tip:

A clear guide crease makes the next lift smoother.

Tip:

Keep everything centered as the shape lengthens.

Tip:

Store this base flat if you plan to continue later.