February '21

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7 0 G R A P H I C S P R O F E B R U A R Y 2 0 2 1 G R A P H I C S - P R O. C O M S I G N A G E & P R I N T I N G S H O P T A L K use any thicker double-sided tape as the silver overlays needed to lay flat against the black acrylic. The acrylic was cut about 1/4" over size in all directions, providing a striking border to increase the contrast between the brushed aluminum surface of the logo and the gray-colored wooden wall. The final look was just what the client wanted, but how to secure to the wall without drilling a lot of damaging holes? I have shown this step before for acrylic parts mounted to interior walls, but we make our own sharp small studs using trimmed off pushpins and small discs or squares cut from acrylic scrap on our laser. The acrylic body of the pushpins is easily glued in place using medium thickness acrylic solvent glue. It is easy to create our own mounting hardware items, as many as we need. Then these small, very sharp parts are glued to the backs of our acrylic logo parts using the same acrylic solvent glue. At this point, since they needed to stand up to some stress when forced into the wall, it was a good plan to let the glue dry for several hours or overnight. The glue may seem dry after a few minutes but really has to cure out to attain maximum strength. Out on the job, a pattern cut from pieces of thin poster board and tacked in place on the wall gives us clear directions as to where things go, and can be repo- sitioned easily until we are satisfied with exactly how things will line up. Great care is taken in locating where the grooves be- tween boards are located in relation to our logo parts, making sure our design runs parallel with the boards even if the boards are not perfectly level. Having a perfectly level graphic on an imperfectly level wall Double-sided tape is used to secure the metal parts to our acrylic components. The 1/4"-wide margin around the metal parts provides a contrasting border for parts going on a gray weathered wood wall. This logo, though made from acrylic, had to be cut on our waterjet because part of it was larger than would fit in our CO 2 laser. Cutting the thin (.040) brushed aluminum overlay parts on our old Omax waterjet.

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