Apparatus having a movable chamber

An apparatus comprising:

• a build platform;
• a vessel supporting:
• a layer forming station including a spreading component to spread a layer of build material particles onto the build platform and an agent delivery component to apply fusing agent onto selected locations on the spread layer of build material particles;
• a heating station including a heating component to apply energy onto the spread layer of build material particles and the applied fusing agent, wherein the heating station is spaced from the layer forming station;
• a pulse irradiating station that includes a pulse irradiating component to apply an irradiation pulse onto the build material particles and the applied fusing agent, wherein the pulse irradiating station is spaced from the layer forming station and the heating station;
• and
• an actuator to move the vessel with respect to the build platform while maintaining the spaces between the layer forming station, the heating station, and the pulse irradiating station.

A method comprising:

• maneuvering a chamber containing a layer forming station and a heating station to a first position, wherein a build platform is housed within the chamber;
• implementing layer forming components of the layer forming station to perform a layer forming operation on build material particles on the build platform while the chamber is in the first position;
• maneuvering the chamber to a second position;
• and
• implementing a heating component of the heating station to perform a heating operation on the build material particles while the chamber is in the second position;