| CPC B29C 64/25 (2017.08) [B33Y 30/00 (2014.12)] | 20 Claims |
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1. An enclosure for a three-dimensional printing system, the enclosure comprising:
a first side frame;
a second side frame spaced apart from and opposing the first side frame;
a front side frame connected to the first side frame and the second side frame;
a plurality of walls defining an inner chamber, an access opening providing access to the inner chamber from outside the plurality of walls, and a back opening for receiving the three-dimensional printing system into the inner chamber;
one or more back panel configured to removably attach to the first side frame and the second side frame to block the back opening; and
an electrochromic glass panel that is shiftable between a closed position in which the electrochromic glass panel blocks the access opening to prevent access to the inner chamber and an open position in which the electrochromic glass panel allows access to the inner chamber via the access opening.
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