Well this week I'm working on my first big scratchbuild since 2003. A concrete grain elevator. Don't ask why, I just felt like building one. So far I have the eight silos mostly done. They're made from 2" schedule 40 PVC pipe, a bit of plaster and glue and some gray latex house paint. I sanded the silos before painting so they look to have a texture like concrete. Each one is 11 and 13/16 inches tall or eighty-six scale feet in HO. Each silo has a plaster plug in the top so holes can be easily drilled later to mount details.