Abrasive article having a non-uniform distribution of openings

(canceled)

(canceled)

-32. (canceled)

A coated abrasive article comprising:

• a backing layer having a first major side and a second major side;
• an abrasive layer disposed on the first major side, wherein the abrasive layer comprises a binder and a plurality of abrasive grains;
• a plurality of apertures that perforate the backing layer and the abrasive layer, wherein the plurality of apertures are arranged in an aperture pattern, and wherein the aperture pattern has a controlled non-uniform distribution and is at least one of a radial pattern, a spiral pattern, a phyllotactic pattern, an asymmetric pattern, or combinations thereof.

A method of making an abrasive article comprising:

• disposing an abrasive layer on a backing;
• perforating the abrasive layer and the backing to create a plurality of apertures, wherein the apertures are arranged in an aperture pattern having a controlled non-uniform distribution that is at least one of a radial pattern, a spiral pattern, a phyllotactic pattern, an asymmetric pattern, or combinations thereof.

-59. (canceled)