How to create 1-pixel checkerboard pattern?

[Steve555]

Hi, I want to create a chackerboard pattern where each cell is a single 1x1 pixel square of alternating colors.
I guess I could just draw the first 4 pixel block and then copy & paste, but I often find myself wanting to do these kind of geometric operations (especially grids) so would love to know what other techniques are useful/

Thanks

Steve

 

[hawkeye]

Make a pattern