Hi,
>> however in the pdf file the colours are present
Have you exported the PDF or have you used _PLOT with the assiciated CTB?
And to the colors: are these colors true-color or color-index colors (from 1 to 255), only the index values can be converted with CTB, true color stay as true color.
Last but not least: what visual style did you use? If that is a rendered style like "realistic" the colors are converted to true color and so not converted by CTB, use a visual style like "2D-Wireframe" instead.
HTH, - alfred -
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Alfred NESWADBA
ISH-Solutions GmbH / Ingenieur Studio HOLLAUS
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CDay 2024------------------------------------------------------------------------------------
(not an Autodesk consultant)