How To Make A Chaff Cutter Using Angle Grinder Hello Everyone! Today I show you how to make a chaff cutter from an angle grinder. I used angle grinder to power this chaff cutter. This chaff cutter has a rotating blade. I used a metal flat to make this chaff cutter blade. This blade is rotated by the angle grinder to cut the grass. This diy chaff cutter cuts the grass very fastley. This mini chaff cutter machine is very compact in size so this chaff cutter machine can be very easily portable from