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hey dear @alexandravart glad you found @steemcreations
your contributions will be highly appreciated!

I started creating a post for @steemcreations but I am so new to this platform and there are things I do not know about it, specially about contest and challenges .
Can I make a post with all the artworks that I want to share in this project ? or I should make a post for each artwork and use the tag and the title steemcreations ?

It would be better to post them separetly or atleast not more than 2 per post. You can title it whatever you want just include @steemcreations somewhere in the title (:

Fantastic! Love your style, very futiristic and abstract.
Upvoted and will resteem with @steemcreations
looking forward to see more of your work.