Patent ID: 11884018
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  G  Y | IPC B  G

Claim 0:
1. A system comprising:
a three-dimensional (3D) printer;
a post-processing component;
a processor;
a memory coupled to the processor and store instructions executable by the processor to:
determine a finishing operation to be performed by the post-processing component on a portion of a part after the part has been 3D printed by the 3D printer;
cause the part to be 3D printed by the 3D printer to include a marking on or in the portion that indicates the finishing operation that has been determined such that the marking has a fluorescent color having a brighter color under ultraviolet or near-infrared light than the portion or such that the marking has a magnetism different than a magnetism of the portion; and

a sensor to optically or magnetically detect the marking on or in the portion of the part after the part has been 3D printed,
wherein the instructions are executable by the processor to further, after the part has been 3D printed, and in response to the sensor detecting the marking:
determine the finishing operation indicated by the marking;
cause performance of the finishing operation by the post-processing component on at least the portion until the sensor no longer detects the marking on the portion,

and wherein the finishing operation includes:
ejection of a substance to remove material from at least the portion of the 3D printed part or to add material to at least the portion of the part;
subjecting the part to a chemical bath deposition to add material to at least the portion of the part; or
removal of material from at least the portion of the part.