Extend your BB017, BB020 Or BB021 based micro-layout with our new BB033 Corner Extension Board. Enables you to take your layout around a corner, creating an L shaped board when used with a BB033Our versatile laser cut micro-layout / diorama MDF baseboards, as used by Phil Parker on the Didsbury Green layout as featured in BRM magazine are an ideal base for building a wide variety of dioramas and layouts in a small space. Suitable for all types and scales of military, aviation and road transport modelling, as well as small scale model railway layouts in OO scale, N and OO9 gauge.These baseboards are very easy to build, taking just 5 to 10 minutes to assemble. No tools required, just a little wood glue. Base plinth has a 46mm high space underneath the entire baseboard for mounting motors, batteries and other electronic modules if required.Dimensions: Overall size :L: 555mm x H: 300mm x D: 225mm Model display area (approx) : L: 555mm x H: 250mm x D: 221mm