Sigma Labs to Present at the 2021 LD Micro Invitational XI on June 10, 2021

SANTA FE, NM / ACCESSWIRE / June 2, 2021 / Sigma Labs, Inc. (NASDAQ:SGLB) ("Sigma Labs"), a leading developer of quality assurance software for the commercial 3D metal printing industry, will present at the 2021 LD Micro Invitational XI being held …