ABS, or acrylonitrile butadiene styrene, is a terpolymer, meaning a combination of three polymers. ABS is a versatile, impact-resistant material that is easy to add color to and construct things with. It’s commonly used for vacuum forming, 3D printing, protective equipment, hardware, and everybody’s favorite interlocking building blocks––Lego. ABS can be be found at hobby shops, arts and crafts supply shops, and plastic specialty stores.
ABS works very well at most feeds and speeds with smaller tools. With larger tools, such as 1/4” or 1/8" end mills, creating too much heat by going too slowly through the material at too high a spindle speed will cause shredded material to stick to the bottom of your cut.
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