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2. Lightbox - Wikipedia

   en.wikipedia.org/wiki/Lightbox

   The panel can be illuminated by fluorescent light bulbs or LED lighting strips. The efficiency of light boxes improved dramatically after the introduction of LED technology. The user inserts a graphic, which can be changed easily. Some light boxes are designed especially for outdoor purposes so they are more weatherproof. [citation needed]

3. Camera obscura - Wikipedia

   en.wikipedia.org/wiki/Camera_obscura

   While the use of the camera obscura has waxed and waned, one can still be built using a few simple items: a box, tracing paper, tape, foil, a box cutter, a pencil, and a blanket to keep out the light. [84] Homemade camera obscura are popular primary- and secondary-school science or art projects.

4. Light table - Wikipedia

   en.wikipedia.org/wiki/Light_table

   Light table at Tito's bunker Draftsman using light table. A light table [1] is a viewing device that is used to review photographic film or artwork placed on top of it. A horizontal form of a self-standing lightbox, it provides even illumination of the subject from below through a translucent cover and fluorescent lights that emit little heat.

5. Lite-Brite - Wikipedia

   en.wikipedia.org/wiki/Lite-Brite

   Lite-Brite is a toy that was originally marketed in 1967. It consists of a light box with small colored plastic pegs that fit into a panel and illuminate to create a lit picture, by either using one of the included templates or creating a "freeform" image on a blank sheet of black paper.

6. Camera lucida - Wikipedia

   en.wikipedia.org/wiki/Camera_lucida

   The name "camera lucida" (Latin for 'light chamber') is intended to recall the much older drawing aid, the camera obscura (Latin for 'dark chamber'). There is no optical similarity between the devices. The camera lucida is a lightweight, portable device that does not require special lighting conditions.

7. Box-drawing characters - Wikipedia

   en.wikipedia.org/wiki/Box-drawing_characters

   Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes. These characters are characterized by being designed to be connected horizontally and/or vertically with adjacent characters, which requires proper alignment.