The checkerboard in Photoshop is designed to operate as a signal reminding users that the image they are working on is having ‘holes’ in it.  The checkerboard itself is not an image-object, doesn’t carry meaning, couldn’t even be printed out on paper, but a virtual background that implies emptiness and potentials. Its visibility stands in for transparency in an image-object, gives forms to the deleted items, invites further intervention and opens up new possibilities.

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Photoshop 製圖軟件中的方格圖其實是一種示意，提醒用戶他們正在處理的圖像開了天窗。方格圖本身不是一個影像物件，它不負載意義，甚至不會被打印出來。作為虛擬的背景，它示意著空缺也暗示無限可能，替代著影像物件中透明的空間，讓被刪除了的事物有個形狀，引人進一步介入，開拓新的可能。

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