The EBAM ® 300 Series Produces the Largest 3D Printed Metal Parts Prototypes in the Additive Manufacturing Market. With a maximum work envelope of 19' x 4' x 4' x 8' (L x W x H x D, or round parts up to 96" diameter), the EBAM ® 300 Series by Sciaky offers the largest build platform of any metal 3d printer commercially available.