A system for creating component shape data for image processing to be used when performing image recognition of a component to be mounted by a component mounter, the system comprising: a display section configured to display a captured component image of a component that is a creation target for the component shape data for image processing; a wire frame drawing section configured to draw a wire frame (W) on top of the component image such that the wire frame (W) surrounds a measurement target portion of the component image displayed on the display section , and to move a position of a side of the wire frame (W) in accordance with a drag operation of an operator; a minimum unit specifying section configured to specify a minimum unit of measurement accuracy in accordance with the size or type of the measurement target portion for measuring the shape data of the measurement target portion surrounded by the wire frame (W), wherein the minimum unit of measurement accuracy is the required accuracy for measuring the shape data of the measurement target portion; and a component shape data creation section configured to create the component shape data for image processing by measuring the shape data of the measurement target portion surrounded by the wire frame (W) with an accuracy using the minimum unit of measurement accuracy specified by the minimum unit specifying section , wherein the minimum unit specifying section is configured to automatically specify the minimum unit of measurement accuracy to use when measuring shape data of the measurement target portion based on information of the size or type of the measurement target portion of the component that is the target for creation for the component shape data for image processing, and is configured to, in a case in which there are multiple measurement target portions in the component image, specify a different minimum unit of measurement accuracy for measuring the shape data of the measurement target portion for each of the multiple measurement target portions. a display section configured to display a captured component image of a component that is a creation target for the component shape data for image processing; a wire frame drawing section configured to draw a wire frame (W) on top of the component image such that the wire frame (W) surrounds a measurement target portion of the component image displayed on the display section , and to move a position of a side of the wire frame (W) in accordance with a drag operation of an operator; a minimum unit specifying section configured to specify a minimum unit of measurement accuracy in accordance with the size or type of the measurement target portion for measuring the shape data of the measurement target portion surrounded by the wire frame (W), wherein the minimum unit of measurement accuracy is the required accuracy for measuring the shape data of the measurement target portion; and a component shape data creation section configured to create the component shape data for image processing by measuring the shape data of the measurement target portion surrounded by the wire frame (W) with an accuracy using the minimum unit of measurement accuracy specified by the minimum unit specifying section , wherein the minimum unit specifying section is configured to automatically specify the minimum unit of measurement accuracy to use when measuring shape data of the measurement target portion based on information of the size or type of the measurement target portion of the component that is the target for creation for the component shape data for image processing, and is configured to, in a case in which there are multiple measurement target portions in the component image, specify a different minimum unit of measurement accuracy for measuring the shape data of the measurement target portion for each of the multiple measurement target portions. <EOS>