Periscope with 8 vertices

[John_Paterson]

I managed to get the number of vertices down to 8 by using wireframe mode and deleting the faces inside the periscope before deleting all the double vertices.

[DPonirakis]

8 vertices…

[Tom_Lighter]

well I simplified it to 8 too, I would use a bump map to separate the model visually if it is needed