 SEATTLE--BUSINESS WIRE--Glowforge, the Seattle-based company that designs and produces iconic 3D laser printers for home and small business use, today announced the appointment of two new directors to its board. Ralph Clark, president and chief executive officer of ShotSpotter NASDAQ: SSTI, and Sarah Kauss, founder and executive chairwoman of Swell, have each joined the Glowforge board of directors. Glowforge found success quickly as a start-up, generating nearly 30 million in sales throu 