@Ghartark Regarding the use of perspective, I completely agree. It can be so tedious and particularly gut wrenching when you are asked to make multiple revisions on a page/spread that contains a ton of architectural elements. That was why I actually chose to dive into Blender in the first place. I was so tired of having to draw out interior/exterior elements by hand repetitively.
Right off the bat, I would recommend basic youtube channels like Blender Guru, Blender Daily.
Here are a few tutorials that might help you right off the bat:
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Basic Character Modeling:
https://www.youtube.com/watch?v=S7zRQjDQmS0&list=PLw1UrVT7WTJuJc1Jwm0EUQwcEWt8TGgqs&index=23 -
Shape Keys to make a variety of expressions
https://www.youtube.com/watch?v=uWWCPPg6T_g
In fact, I was following along with the tutorial just yesterday and came up with this:
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a Tutorial on how to use Archimesh, a free Blender Plug-in that helps you visualize architectural elements:
https://www.youtube.com/watch?v=XiDnW3AwISk -
How to draw traditionally (like you would in photoshop) in Blender. This one is one of my favorites:
https://www.youtube.com/watch?v=YY0gjIttZRw&list=PLw1UrVT7WTJuJc1Jwm0EUQwcEWt8TGgqs&index=49
https://www.youtube.com/watch?v=FgAl89LsSFk&list=PLw1UrVT7WTJuJc1Jwm0EUQwcEWt8TGgqs&index=51
Follow Sophie Jantak for a ton of useful Grease Pencil tips. -
and last but not least, one more grease pencil tutorial that teaches you how to use the camera, lighting, and the grease pencil to come up with a variety of compositions: https://www.youtube.com/watch?v=mGRt24fYYWU
Jama Jurabaev, a renowned concept artists uses it frequently and had done work like this:
https://www.youtube.com/watch?v=C8puJClvNYE
His tutorials cost a little but are well worth the investment
I hope that helps! Let me know if you have any questions and please post your work in blender if you have time! I'd love to see your progress!