Carson Terry, a metal fabricator who goes by the handle Hossly, doesn’t mind switching to wood for an interesting project. Mechanical engineer Amy Qian of AmyisMakingStuff designed a simple sofa unit that quickly extends into a bed and is designed to fit inside a Honda Element, and Terry built it:
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The sofa/bed appears to be a one-off, but Hossly sells his metal wares here.
Source: core77