An Austin startup has made quite a splash with a 3D-printed concrete home that costs far less to build compared with traditional tiny homes.

It’s been an eventful few days since Icon emerged from stealth mode. On March 11 the company won a South by Southwest Accelerator Pitch award, then a day later publicly unveiled its initial prototype: a 350-square-foot home in East Austin that was built almost entirely with additive manufacturing — aka three-dimensional printing.

Icon was co-founded by…