Patent ID: 8911226

Claim:
A device for manufacture of models comprising: a particulate material that is deposited in layers on a build platform by means of a spreader device and then selectively printed with a second material likewise deposited in layers and these two application steps are repeated until a desired model is achieved, wherein the spreader device transports incurring overflow quantities of the particulate material in a direction perpendicular to a spreading direction into at least one container, wherein sliders are mounted at the spreader device and act upon the container and move the particulate material therein with the spreader device, wherein the container is a channel running the length of the build platform in the spreading direction, the channel having a front end and an opposing rear end, wherein the front end has an opening for flow of material into a front discharge recess and/or the rear end has an opening for flow of material into a rear discharge recess, wherein the container has opposing solid side walls running the length of the build platform in the spreading direction.