Our Company Was founded in 2019 as design and engineering development firm. Our services include industrial engineering and invention start up projects. Solarsteinn Design and Engineering offers general design studies in all disciplines of engineering including manufacturing services. Our Name Our name remember the ancestral technology used by the Vikings to know the position of the sun in a completely overcast sky. The sunstone (Icelandic: sólarsteinn) is a type of mineral attested in several 13th–14th century written sources in Iceland as compass in a cloudy days using the polarization properties of calcite rock crystal.