1. Coarse toothed knife: suitable for thicker fonts and lines, can create a concave convex feeling on wood. Moderate cutting depth, suitable for rhetorical and decorative effects.
2. Fine toothed knife: suitable for delicate shapes and lines, with a fine appearance effect. However, the cutting depth is shallow and cannot effectively cut harder wood.
3. Straight knife: The blade has a right angle and is suitable for cutting straight lines and hollow patterns. It needs to be replaced frequently, but the cutting depth is relatively deep.
4. Round headed knife: Suitable for cutting shapes such as circles and curves, it can achieve a more natural effect.
