Istanbul-based architecture firm SO? built the tiny cabin with plywood both inside and out, and also used birch plywood for some of the furnishings.  
  Photo 4 of 8 in This Off-Grid Turkish Cabin Features a Nifty Pulley System

This Off-Grid Turkish Cabin Features a Nifty Pulley System

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Because the tiny house can be used off-grid, the inside is heated with a wood-burning stove, which is a stark graphic variation to the rest of the wood interiors.