how can i make blueprints on ipad?

hello yall, i want to know how to make blueprints (vehicle/car) on my ipad. I want to make some like on this website: https://www.the-blueprints.com/ . I have everything i need to make some:

iPad + Apple Pencil

PC

I would rather do it on the ipad tbh. but ill wait for your tips/answers 😄

https://preview.redd.it/rest5t0lczxg1.png?width=400&format=png&auto=webp&s=f5e425ec632687e71ba06e5f3b51ec07cba3b87d