Read this article to learn how to make DXF exports of your track plans in SCARM by using of third party conversion tools. [>>>] Exporting Track Plan in DXF Format
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Read this article to learn how to make DXF exports of your track plans in SCARM by using of third party conversion tools. [>>>] 
Read this article to learn how to make PDF exports of your railway layouts in SCARM by using of free external PDF converter.