Once you have the monochrome.ctb file, you must place it in the specific folder where AutoCAD looks for plot styles.
Drag and drop your monochrome.ctb (or any other custom CTB) into this folder.
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This is the most common method for Windows and Mac users.
Change from "Black" to "Use Object Color" if you want a specific color (like a red fire alarm symbol) to print in color while everything else stays black and white. Click Save & Close .
Navigate to the following default directory (replace AutoCAD 2026 with your specific version): C:\Program Files\Autodesk\AutoCAD 2026\UserDataCache\Plotters\Plot Styles Locate monochrome.ctb . Copy the file (Ctrl + C). 2. Alternative Download Methods
A Windows File Explorer window will automatically open to your active Plot Styles folder.
file, you must place it in the specific folder AutoCAD monitors. Open Plot Style Manager : In AutoCAD, type STYLESMANAGER into the command line and press Paste the File : A Windows Explorer window will open. Copy and paste your monochrome.ctb file directly into this folder. Refresh AutoCAD
If a client sent a drawing that requires a specific custom monochrome style, it is best to request the file directly from them to ensure line weights remain accurate. How to Install a CTB File in AutoCAD
You can generate a brand-new, clean monochrome file directly inside AutoCAD:
into the AutoCAD command line. This will open the folder where all your plot styles should live. Default Windows Path:
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. If it is missing, you can typically restore it from your computer's hidden backup folders or fix your software settings. 1. Locate Your Plot Styles Folder AutoCAD looks for
Download the official template script or use the manual creation guide above to build your industry-standard Monochrome CTB file right now.
If the file does not appear in your plot dialog immediately, restart AutoCAD or switch between layout tabs to force a refresh. Note on STB vs. CTB:
You are likely here for the .ctb file itself. Never download .ctb files from random file-sharing sites (like MediaFire or random forums) as they may contain errors or be corrupted. Instead, use trusted sources or our pre-validated file.
