Sorry, it's been a long time to visit instructables.com. I'm glad if I can help you. If you have questions about the course, please contact me: firstname.lastname@example.org (Perhaps it is blocked). If you know the principle, you can make a solar panel yourself.
If you make 1-2 panels, design and print a pattern with 1:1, then you would know how to do. If you want to make more, you should make a specific module which made of paper, glass, transparent tape, or expensive metal module. These two ways can keep the cells straight. About the machine, no perfect one in the market. Because dealing with small cells is too complicated and troublesome. Here's a video, you will find more.https://youtu.be/i30zqvwh4MM