Sign & Digital Graphics

November '17

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S I G N & D I G I T A L G R A P H I C S • November 2017 • 59 An aluminum "extrusion" was made by securing 1.25" x 1.25" tubing to 2.5" x 2.5" tubing. Lightweight aluminum tubing was used for the main frame, buffed out to prepare for powder coating even before cutting. We have a larger metal bandsaw, but for accurate miter cuts in soft aluminum tubing, a wood miter saw will make better-fitting joints. The 45 degree miter saw cut for a frame corner is true and square all the way through, unlike bandsaw cuts. The picture frame extrusion I made will fit neatly with no gaps in the field, and is the same on the backside. The brackets and fittings were designed then made on a waterjet cutter from .090 alum sheet.

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