'Cookbook Chex' Seamless Pattern Tile in Paint Shop Pro

We want to use the Selection Tool to select an area of exactly 50x50 pixels in the upper left corner. You can click-drag a square selection until it is 50x50 or create a Custom Selection (accurate & easy!). With the Selection Tool selected in your left toolbar, click the Custom Selection icon that appears in the toolbar above your workspace (next to anti-alias).

Enter the following in the dialog box:

For the left and top positions enter 0

For the right and bottom positions enter 50