Another ATSF Admirer

Helix Mockup, cardboard

A cardboard mockup of my proposed helix / helix area. Looking at clearances against the workbench, the supports, the door, the access hole. To build a helix: step N, test-fit cardboard to space. 11" access hole, 20" outside radius

Helix Mockup, cardboard
Another ATSF Admirer, Jan 8, 2008