SolidWorks may be able to export its own drawings / parts / assembly to other formats - including generic part files (.prt)r. It may require a special plugin though, or some kind of add-on that adds support for other CAD formats. You can also probably find some kind of CAD conversion tool that may support this conversion. The easiest way however, would be to use SolidWorks itself.
Convert SolidWorks CAD drawing to CAD 3D part or component.
We have found 2 software records in our database eligible for .slddrw to .prt file format conversion.
Microsoft Windows software - convert slddrw to prt on Windows
A popular is 2D and 3D CAD (computer-aided design) and CAE (computer-aided engineering) construction software for Microsoft Windows developed by SolidWorks Corporation.
SolidWorks is distributed in three distributions: Solidworks Premium, Solidworks Professional and SolidWorks Standard.
Convert from slddrw file
to prt file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned slddrw to prt. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A dedicated CAD converter with a large file format support that allows users to convert (translate) CAD designs or drawings between different formats. CrossManager is a commercial product, you will need to purchase a license. It is available in English, French, German, Italian, Czech, Chinese, Russian and Korean language.