If you look on Pinterest, you will find all manner of designs for sampler quilts. A sampler gives you the chance to explore a range of blocks and sew them together into a finished quilt, or a cushion if you are less ambitious.
You can tie it all together with a colour scheme, or limit yourself to a theme lioke stars.
You can decide on one size for your block, or work it so that several sizes fit together.
As you can see here, you can even make it into a book hanging, if you are clever enough to handle perspective at the same time.
One sampler deserves a group of pictures on its own, as the main “sampler” section is so small, as you can see from the picture of my hand:
This one is more like a series of panels:
