Markus Kayser made a &quot;Solar Sinter&quot; e.g. a sun-powered 3D printer.<p><a href="http:&#x2F;&#x2F;www.markuskayser.com&#x2F;work&#x2F;solarsinter&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.markuskayser.com&#x2F;work&#x2F;solarsinter&#x2F;</a>