I timed out before I got this added so here is one more thought
The sketchbook automatically saves each color combination of your blocks as you use them as long as you save the quilt in the sketchbook. You can go back and look through the blocks to find the colors you used. It is a way to add the block without having to change all the colors again.
In the sketchbook or the Block pop up window you will see your blocks saved. Each block you see is the top block and you can use the arrows to look through the stack of blocks saved in that one square.
If you see a blank block in the sketchbook then click on the arrows to see the colored blocks.
And here is the PDF file for this lesson
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