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Which method you use will be depend on your situation and your abilities.
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DWG AutoCAD 14 or below, DXF file format |
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Hand drawn with dimensions and directions. |
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To get an impression of the holes, layout and text |
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Tracing the outlines of the actual piece. |
WHAT ALL DRAWINGS MUST HAVE
AutoCAD or other CAD program drawing specifications.
Explode all blocks (polylines are acceptable).
Color layers as needed (i.e. different size text, holes, etc).
Text, use the middle insert point. Use the standard "TXT" font (A.E.'s computerized engraving machines compensate and use a high quality font in place the "TXT" font. If any text uses any other type justification other that middle, place that text on a separate layer.
Placement of text. Draw a temporary line perpendicular from the center of a hole. Use "OSNAP" - "INS"ert Command to snap the text insertion point to the center line of the circle. Move text as needed keeping in mind the clearances for nuts, washers, etc.
Place all construction lines, notes, text and directions on
any layer appropriately named. These are just examples.
100 - All text to be .100" in height.
030 - Graphic lines to be .030" in width.
Notes - Any & all notes to you or Aircraft Engravers.
Holes - All holes.
Const - Any construction lines.
Clean-up drawing - Use the Purge command to clean up the drawing file of any unrelated entities if needed.
Label disk with your name & date.
Just use 'What all drawings must have'.
Is the method of coping the recessed impressions on old grave stones. As kids we used the sides of crayons and large clean news print paper. You will need to tape a piece of paper over the area and rub a lead pencil over this area to get an impression of the holes and text. Mark what the actual hole sizes are. Measure and mark the distances to each edge.
Tracing the actual piece with a finely pointed pencil. Note: All the holes will be a little smaller and the outside perimeter will be a little large than the actual measurements. Mark what the actual hole sizes are. Measure and mark the distances to each edge.