Software suggestion: Inkscape, because it's free and user-friendly https://inkscape.org/en/download
Thanks, Samet :)
Parts of working process:
![](/files/collabspace/9/09/109/15109/images/a9eb2688.jpg)
drawing made by ISMENA DROŻDZYŃSKA from Pobiedziska, Poland
https://drive.google.com/open?id=0B6H4jKnQ-BT0cFRxam1sV2QtXzA
![](/files/collabspace/9/09/109/15109/images/aafa6848.png)
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. ![](/files/collabspace/9/09/109/15109/images/a6afa528.png)
![](/files/collabspace/9/09/109/15109/images/a7bee6e8.png)