How to start MessyPoly Print Bridge on Mac
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No installer and no Apple-signed app (that would need a paid Apple developer account).

1. Unzip the download.
2. Double-click **Start MessyPoly Print Bridge.command**
3. Terminal opens and starts the bridge.
   - First launch downloads a private runtime (one time).
   - Leave that window open while you use MessyPoly.
4. Open **README.txt** in this folder for what to do next in MessyPoly.

If macOS blocks it (“unidentified developer”, “could not verify”, etc.):

  Option A (easiest):
    • Right-click (Control-click) **Start MessyPoly Print Bridge.command**
    • Choose **Open**
    • Confirm **Open**

  Option B (macOS Sequoia / Sonoma):
    • Try to open it once (so it appears in settings)
    • System Settings → Privacy & Security
    • Scroll to the message about MessyPoly Print Bridge
    • Click **Open Anyway**

  Option C (Terminal):
      cd path/to/unzipped/folder
      xattr -cr .
      chmod +x "Start MessyPoly Print Bridge.command"
      open "Start MessyPoly Print Bridge.command"

After the first successful open, later double-clicks should work normally.
