To Assign an Asian-language SHX Font to a Text Style | Autodesk
Standard SHX fonts only support 256 characters (the ASCII standard plus a few extras). Traditional ASCII has no room for Vietnamese characters like â , ê , ô , ư , ơ , or the tone marks (sắc, huyền, hỏi, ngã, nặng).
If a drawing created with a VNI font was opened on a computer that lacked that specific font, the text would be unreadable. This forced designers to either distribute their custom font files alongside their drawings or rely on complex text conversion tools.
Follow these quick steps to add the font to your AutoCAD library and fix missing text issues:
The font maintains a clean, technical aesthetic that matches the standard ISO and ANSI styles used in international engineering, ensuring that Vietnamese annotations look professional alongside technical symbols. Legacy and Modern Usage Tai Font Vn-uni.shx
Use the ETRANSMIT command when sending files to external clients. This automatically packages the custom .shx files into a single zip archive alongside your drawing.
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✅ – Displays all tonal marks correctly without needing complex text or fallback fonts. ✅ Small file size – Typical for SHX fonts, loads quickly in AutoCAD. ✅ Consistent line weight – Works well for plotting/printing with pens or CTB/STB styles. ✅ Unicode-compliant – No need for font-encoding switching (unlike old .VNX fonts). ✅ Compatible with multi-line text (MTEXT) – Supports stacked fractions and special characters.
Edit the FMP file to include: Tai Font Vn-uni.shx;Arial.ttf To Assign an Asian-language SHX Font to a
C:\Users\[Your Username]\AppData\Roaming\Autodesk\AutoCAD [Your Version]\[Release Version]\enu\Support Step 3: Copy and Paste Close AutoCAD completely to prevent file conflicts. Copy the downloaded Vn-uni.shx file.
"Substituting font [Tai Font Vn-uni.shx] for [Unknown]."
You upgraded your AutoCAD version, and your custom font libraries were left behind in the old version's directory.
Unlike Microsoft Word, which embeds font information, AutoCAD does embed SHX font files inside the drawing file. Instead, it simply stores a reference to the file name. This forced designers to either distribute their custom
It bridges the gap between older drawings using older Vietnamese encoding (TCVN3) and modern Unicode standards.
If you cannot download the font immediately or need a quick fix to view a file, you can instruct AutoCAD to temporarily substitute the missing Vn-uni.shx with an alternative Vietnamese font. Method 1: Using the FONTALT Command
If you open a DWG file received from a partner, contractor, or state agency in Vietnam, you will likely see text rendered as ?????? or replaced by hollow boxes. This happens because the original creator used a specialized Vietnamese SHX font that your system lacks.
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