Sublimation of a multi-layer item

A method, for transferring ink from a sheet to a multi-layered workpiece, comprising:

• contacting a first surface of the multi-layered workpiece with the sheet containing ink;
• heating, using at least one energy source, the ink and the first surface of the multi-layered workpiece to at least a sublimation temperature of the ink while the sheet is in contact with the first surface of the multi-layered workpiece;
• sensing at least one sensed temperature indicative of at least one surface temperature of the first surface of the multi-layered workpiece;
• and
• controlling the at least one energy source based on the at least one sensed temperature;
• wherein:
• the sheet is a first sheet;
• the ink is first ink;
• the at least one energy source is at least one first energy source;
• the at least one sensed temperature is at least one first sensed temperature;
• the at least one surface temperature is at least one first surface temperature;
• the sublimation temperature is a first sublimation temperature;
• and the method further comprises:
• contacting a second surface of the multi-layered workpiece with a second sheet containing second ink;
• heating, using at least one second energy source, the second ink and the second surface of the multi-layered workpiece to at least a second sublimation temperature of the second ink while the second sheet is in contact with the second surface of the multi-layered workpiece;
• sensing at least one second sensed temperature indicative of at least one surface temperature of the second surface of the multi-layered workpiece;
• and
• controlling the at least one second energy source based on the at least one second sensed temperature.

A method, for transferring ink from a sheet to a multi-layered workpiece, comprising:

• contacting a first surface of the multi-layered workpiece with the sheet containing ink;
• heating, using at least one energy source, the ink and the first surface of the multi-layered workpiece to at least a sublimation temperature of the ink while the sheet is in contact with the first surface of the multi-layered workpiece;
• sensing at least one sensed temperature indicative of at least one surface temperature of the first surface of the multi-layered workpiece;
• and
• controlling the at least one energy source based on the at least one sensed temperature to maintain a temperature of an adhesive, between a first layer of the multi-layered workpiece and a second layer of the multi-layered workpiece, below a breakdown temperature of the adhesive at which the adhesive changes from being rigid to being ductile.