The Russet Lines basic 12-foot by 3-foot main module framework. 18mm plywood x 150mm deep with 18mm square leg mounts. The module comprises an 8-foot by 3-foot section connected to a 4 foot by 3-foot section. The top boards will be 9mm plywood.

There are one of these either side joined at the far end by a drop valley and at the near end by the removable section.