Few concept for dconf 2019 logos

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On Sunday, 24 February 2019 at 13:00:11 UTC, Suliman wrote:
> Hello!
> I asked my friend Svetlana Kopilova (designer from Russian 
> Space System) to create few logos for dconf 2019 in London. If 
> you will like them you will free to use it. If no, I will ask 
> her about new ideas.
>
> https://hsto.org/webt/pq/b2/ot/pqb2othmt-zg2voxgepwtfapiac.png
>
> https://github.com/bubnenkoff/dlang.ru/blob/bubnenkoff-temp/dconf_logos.zip

I really like 2 and 3_2.