Voting for a challenge creating [updated]

[tkbd]

Please refer to this if you need.

Challenge Subject examples
To create a "30 step stair" in 10 minutes.
To create a "honeycomb sphere" in 10 minutes.
To create a "skyscraper buildings" in 10 minutes.
To create a "pipe joint" in 10 minutes.

1.Participants make it.
2.Each of them to introduce their own way.
3.Share and Find the optimal solution.
4.Developers might come up with commands to improve to inefficiencies.
5.Everyone is happy

Reason for providing the time limit is due to concentrate motivation,
and to reduce the difference between the beginner and the veteran.

Note!!: these are one of the draft.

Regard to funny challenge I sometimes draw the pixel art using Wings3D(Icon Editor like).
By handling well the selected area, I can paint the wide part efficiently.
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tkbd