| 摘要 |
The invention relates to a viewing device, having a housing ( 2; 26 ) which has a front wall ( 3; 3'; 21; 29 ) with at least one viewing opening ( 8; 8'; 23; 28 ) for an object on view ( 10; 16; 24 ) that can be disposed or displayed inside the housing ( 2; 26 ) on the inner face ( 9; 91; 34; 51 ) of the back wall ( 4; 4'; 22; 32, 33 ), and to a blank ( 25 ) for producing such a viewing device. In order for the two-dimensional object on views ( 10; 16; 24 ) displayed in such a viewing device ( 1; 1'; 20; 27 ) to give a three-dimensional impression, the invention proposes embodying the outer face ( 100 ) of the front wall ( 3; 3'; 21; 29 ) of the housing ( 2; 26 ) of the viewing device ( 1; 1'; 20; 27 ) as curved toward the observer ( 7 ). The three-dimensional impression of the object on view ( 10; 16; 24 ) to be displayed can be still further enhanced if in addition the back wall ( 4; 4'; 22; 32, 33 ) of the housing ( 2; 26 ) of the viewing device ( 1; 1'; 20; 27 ) has an inner face ( 9; 9'; 34; 51 ) that is curved away from the observer ( 7 ).
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