Openwork frames and shelves, cut with a jigsaw out of plywood, out of fashion, but the jigsaw and stand to it — plate “dovetail” and clamp — have been and remain among the available tools modelers, modelers, and other craftsmen. However, look at the stand, had been in prolonged operation, and see her multiple gashes, cracks, burrs. This is nothing strange: borders “dovetail” under the sheet of plywood is not visible, and wonder “italicise” in the stand. And not feel so sorry for her, like a thin blade, which often breaks down.
All this can be avoided by use of the shown device. It is a “mask” cut from any sheet material with a thickness of about 1 mm. its Shape corresponds exactly to the slot of the stand and fastened to the last two spring arcs.
Mount a “mask” to the stand:
1 — clamp, 2 — stand dovetail, 3 — mask, 4 — pressure arc.
Besides the main purpose — to indicate the limits of the “swallow’s tail”, — “mask” besides slightly presses the cut down plate allows to avoid distortions.
I. BRANDUKOV, Celebrative, Yaroslavl region.
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