Using Paper Engineering Drawings

TDT - Productivity solutions for tech illustrators.

	Start CorelTRACE and auto trace, using the trace centerline option, the three .tif files you downloaded. The files have been named according to the physical orientation. Note: this screen shot is from CorelTRACE 5.0. Use the following settings under trace options, lines tab: Curve precision* - Very Good, Line precision - Very Good, Target curve length - Medium, Sample rate - Fine, Minimum object size - 5 pixels, Outline filtering - None, Max line width - 16 pixels, Create lines of uniform width - 1 pixel, Horizontal and vertical line recognition - Checked. Then click trace all. When done close CorelTRACE. Note: some versions of CorelTRACE do not support batch file tracing. If you are using one of those versions you will need to perform the traces individually.
	Start CorelDRAW to a new drawing. Create the following layers with the stated settings: Front, Visible - on, Printable - off, Editable - on, Master - off, Color - red, Override full color view - on. Side, Visible - on, Printable - off, Editable - on, Master - off, Color - blue, Override full color view - on. Top, Visible - on, Printable - off, Editable - on, Master - off, Color - green, Override full color view - on. Import the auto trace files to their respective layers.
	Select each face and apply the following: Front (red) - Horizontal scale 86.6%, Vertical skew -30 degrees. Side (blue) - Horizontal scale 86.6%, Vertical skew 30 degrees. Top (green) - Vertical scale 86.6%, Horizontal skew -30 degrees, Rotate -30 degrees.

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