I addressed the computer software I used for assembling the final product in another comment. Here, I will add that, when making the original drawings, I made use of a physical piece of equipment known as a lightbox. https://en.wikipedia.org/wiki/Lightbox
Lightbox
A lightbox is a translucent surface illuminated from behind, used for situations where a shape laid upon the surface needs to be seen with high contrast.
I addressed the computer software I used for assembling the final product in another comment. Here, I will add that, when making the original drawings, I made use of a physical piece of equipment known as a lightbox.
https://en.wikipedia.org/wiki/Lightbox
Lightbox
A lightbox is a translucent surface illuminated from behind, used for situations where a shape laid upon the surface needs to be seen with high contrast.