stl to ptx conversion would be something like the export of 3D print files (STL) to PTEX format, which might actually be doable. Your best bet for such conversion would be tools like 3D Coat or Meshlab that can work with PTEX files and also import STL files.
Home > Search converters: stl to ptx
Conversion of stl file format to ptx file format beta
Search for stl to ptx converter or software able to handle these file types.
Convert Stereolithography CAD data to PTEX image file format.
We have found 2 software records in our database eligible for .stl to .ptx file format conversion.
Microsoft Windows software 
- convert stl to ptx on Windows
3D Coat
A 3D modeling tool
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from stl file | No | No | No | No | No | Yes | No | No |
to ptx file | No | Yes | Yes | ptx editor | Yes | No | No | No |
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 stl to ptx. 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.
Multiplatform software 
- convert stl to ptx on any platform
Meshlab
An open source system for 3D triangular meshes
Additional links: Open stl file, Open ptx file
STL
Files with stl extension can be mainly found as stereolithography files for 3D printers. Used in many CAD programs as output format for models and prototypes that could be printed in stereolithography devices.
PTX
A ptx file extension is related to the PTEX image file format developed by Walt Disney Animation Studios and University of Utah.
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