Solid hatches with transparency print as all black when sending AutoCAD-generated PDFs to physical (paper) printer
Plotting an AutoCAD drawing with hatch transparency to PDF causes a boundary to appear around the hatch. When this is printed, this boundary results to a black solid box/boundary. This behavior has been reported when printing PDFs to physical (paper) printers using: the Apple Preview app Microsoft
AutoCAD succinctly
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AutoCAD 2011 - Transparency Hatching
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How to fix your AutoCAD 2007 to PDF solid hatch problems
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