A: Unknown. The "3T" prefix suggests proprietary development. Check the LICENSE or README file that came with it. When in doubt, do not redistribute.
Navigate to your AutoCAD fonts folder (typically C:\Program Files\Autodesk\AutoCAD 20xx\Fonts ). Paste the file into that directory. Restart AutoCAD. tai font 3t-unicode.shx
Write a script that iterates through each MText or DText object, reads the raw SHX character byte, and replaces it with the correct Unicode string. Then change the font style to a TrueType Tai font like . A: Unknown
Always include the .shx file when using the ETRANSMIT command to send files to clients. When in doubt, do not redistribute
If you have received a drawing that displays "???" or garbled text where Tai script should be, you likely need to install this font.
The biggest practical issue with this font is its encoding. You cannot simply type Tai text via a standard Unicode keyboard. Instead, the user must use a or a lookup table . For instance, pressing the ASCII character [ might produce the Tai letter "Low Ko" (ꪀ), and \ might produce "Low Kho" (ꪁ). Without the documentation for the 3t mapping, the font is unusable.