Impossible Figure: 2007-02-09

This one was actually a bit tricky to make. The thing was to match the two side columns to join with the center one at the bottom. It is basically two S shapes that are overlayed and merged sharing proportions.

Pillars
2007-02-09

Linework | Fillwork

If you follow the center pillar vertically you will notice that the other two pillars connect to it from the front at the top and from behind at the bottom.