"The same cutter works beautifully for acrylic, but chips when carving aluminum alloy"-this is a common dilemma for carving beginners. Different materials have drastically different requirements for the hardness, number of cutting edges, helix angle, and coating of cutting tools. This article uses a comparison table as its core to help you quickly match materials with cutting tools.

|
Material type |
Recommended tool types |
Recommended number of blades |
Helix angle |
Coating |
Precautions |
|
Acrylic (plexiglass) |
Single-flute end mill / Double-flute (roughing) |
1 |
35°–45° |
Uncoated/DLC |
Single-blade cutting prevents whitening; avoids overheating and melting. |