Workpiece processing attachment and sewing machine

A sewing machine comprising:

• a presser foot that is configured to press a workpiece;
• a presser bar that has the presser foot detachably attached to a lower end thereof;
• a presser bar vertically moving mechanism that is configured to move the presser bar up and down;
• a needle clamp that is configured to detachably receive a sewing needle;
• a needle bar that has the needle clamp attached to a lower end thereof;
• a needle bar vertically moving mechanism that is configured to move the presser bar up and down;
• and
• a workpiece processing attachment, including:
• a body that is detachably attached to the lower end of the presser bar,
• a connecting element that is capable of being connected to the needle clamp and that is movable up and down with the needle bar being moved up and down by the needle bar vertically moving mechanism,
• a needle that is configured to penetrate the workpiece to form a hole in the workpiece,
• a needle vertically moving mechanism that is configured to move the needle up and down by the up and down movement of the connecting element,
• a transfer device that is configured to transfer the workpiece being held in a front and rear direction defined as a Y direction and a left and right direction defined as an X direction, and
• a controller that is configured to execute transfer of the workpiece in at least either of the X direction and the Y direction in coordination with formation of the hole on the workpiece by the workpiece processing attachment.