Patent ID: 11858044
Assignee: STRATASYS, INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 2:
3. The system according to claim 1, comprising a first linear rail, a second linear rail, and a switching unit, wherein said first and said second linear rails are colinear, and wherein:
said first linear rail is configured to advance a first building tray to each of the powder delivery station, the powder spreading station and the process compaction station, but not to the printing station;
said second linear rail is configured to advance a second tray to printing station, but not to said powder delivery station, said powder spreading station and said process compaction station; and
said switching unit is configured to switch between the first building tray and the second building tray, such that following said switching said first linear rail advances said second building tray, and said second linear rail advances said first building tray.