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Step 2Construct a frame for the glass
I glued several pieces of painted craft wood around the glass pane in order to create a frame. The wood extends about 1/2 in. above and below the glass. This is important, since the frame locks the glass in place against the top of the trash can. Also, any rolling objects on top of the glass will bump against the frame and stay on the instrument.
I also cut a piece of Opaline film and taped it to the top side of the glass. This film is quite translucent and works well for this "diffuse light" type of multitouch surface. There is actually a high amount of color visibility for objects touching the film, which would make it possible to track color if I want to reuse this frame for another project.
I also cut a piece of Opaline film and taped it to the top side of the glass. This film is quite translucent and works well for this "diffuse light" type of multitouch surface. There is actually a high amount of color visibility for objects touching the film, which would make it possible to track color if I want to reuse this frame for another project.
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