You can adjust curves in Illustrator using the Direct Selection Tool (white arrow) and the Anchor Point Tool (pen with a small square).
Using the Direct Selection Tool:
- Select the curve you want to adjust.
- Click and drag the anchor points to change the curve's shape.
- Hold down the Alt (Option) key while dragging to adjust the curve's direction handles.
- Click and drag the direction handles to fine-tune the curve's shape.
Using the Anchor Point Tool:
- Select the curve you want to adjust.
- Click the anchor point you want to modify.
- Drag the anchor point to change the curve's position.
- Drag the direction handles to adjust the curve's shape.
Additional Tips:
- Smooth curves: Use the Convert Anchor Point Tool (pen with a small circle) to convert corner points to smooth points.
- Sharp corners: Use the Convert Anchor Point Tool to convert smooth points to corner points.
- Adjust curve tension: The Curve Tool (pen) allows you to adjust the tension of a curve by dragging the direction handles.
By understanding these tools and techniques, you can easily manipulate curves in Illustrator to achieve your desired results.