Industrial Designer fails at illustration

I had a really miserable time doing this illustration but hopefully, you can learn from it and not repeat my mistakes.

Frog pattern from the Pica Pau book by Yan Schenkel

You can support me at the following links:
https://www.patreon.com/robertlkiss
https://gumroad.com/robertkiss
https://ko-fi.com/robertlkiss

Toy review video:
https://www.youtube.com/watch?v=Ge7mhnTUZtM&t=399s&ab_channel=JoshFromBefore
Swimming Crab video:
https://www.youtube.com/watch?v=oV6sLyMZiBE&t=2s&ab_channel=PaulB.Hasley

Hudson Rio Brush Set and Kevin Mellon Brush Set:
https://drive.google.com/drive/folders/1uu6z6_i3t8zrIqfMz2eQ06gZTQehljzm?usp=sharing

Join the discord for more fun and learning.
Discord channel: https://discord.gg/BFGDTAT

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Music license from Artlist.io

Skip Tomorrow Instrumental Version by CurtisCole