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Sometimes you need to forget about trying to make everything perfect and just draw.
Sometimes you just need to sit in a corner with a notebook or an IPad or any random piece of papper and draw something meerely because you can, it does't have to be good or make sense and least of all does it need a purpose.
It should be OK to share these and let them exist as they are, and every random sketch is a piece of a puzzle that is your art skill.
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Thats why I made a sketchbook :)
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- Keep Arting! -Dax