You might want to warm up on a small practice sandwich. Make a practice block a bit larger than your hoop of plain fabric and scraps of batting. I know on my first quilt, the first block I did was awful it took me a little bit to get the feel for it. Focus more on even stitches than on tiny stitches.
And remember what you think is awful, others may not even notice. I let some women I work with see my 2nd hand quilted quilt which I thought had awful stitching and all they could talk about was how small and even the stitches were. We are our own worst critics.