CPC G06T 7/73 (2017.01) [G06F 16/583 (2019.01); G06T 3/4084 (2013.01); G06T 3/608 (2013.01); G06T 5/50 (2013.01); G06T 5/70 (2024.01); G06T 5/80 (2024.01); G06T 7/13 (2017.01); G06T 7/30 (2017.01); G06T 7/529 (2017.01); G06T 7/70 (2017.01); G06T 7/90 (2017.01); G06T 11/001 (2013.01); G06T 15/04 (2013.01); G06F 2218/00 (2023.01); G06T 2207/20132 (2013.01); G06T 2207/20192 (2013.01); G06T 2207/30124 (2013.01); G06T 2207/30204 (2013.01); G06T 2210/16 (2013.01)] | 7 Claims |
1. A device comprising:
a rectangular frame structure comprising an exterior edge and an interior edge, wherein the interior surrounds a perimeter of a rectangular first opening,
a first corner of the rectangular frame structure, between the exterior edge and the interior edge, comprises a second opening,
in a first direction at a first distance from the second opening, a first alignment structure is formed on an upper surface of the rectangular frame structure,
in a second direction at a second distance from the second opening, a second alignment structure is formed on the upper surface of the rectangular frame structure, the second direction is transverse to the first direction;
a metal piece, coupled to the second opening;
wherein the first alignment structure comprises a plurality of grooves formed on the upper surface of the rectangular frame structure, and the grooves outline a first rectangular shape,
the second alignment structure comprises a plurality of grooves formed on the upper surface of the rectangular frame structure, and the grooves outline a second rectangular shape, and
the first and second rectangular shapes have the same area.
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