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Choose a saved grid below, or manually enter the 8-character ID engraved on a grid or its full Grid ID. When you choose the finished-grid photograph, its saved metadata loads automatically and the page attempts to align the numbered overlay. Drag the four green corners to correct the cell-matrix boundary whenever needed. The photograph stays in this browser.
Choose a Grid ID and its photograph.
Click a measured swatch to enable or disable it. Export and save actions can include multiple enabled colors, with one swatch per official Rasterizer color. Refine Grid allows one swatch and creates a finer grid centered approximately on that setting.