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Ray Studio 1.3.0 adds editable big-square scale markers.
- Grid Scale now displays the real-world length of one big square.
- Edit the value in Properties or in a scale-arrow label; both update together.
- Horizontal and vertical arrows can be moved or deleted independently.
- New arrows meet at the exact top-left paper corner. Reset scale marker position returns existing arrows there after moving them or resizing the grid.
- Restore missing scale arrows brings deleted arrows back.
- Fit page and exports include space for scale labels above the grid.
Existing diagrams keep their real-world measurements. For example, 0.5 m per small square is shown as 2.5 m per big square. To reposition existing markers, click Reset scale marker position.
Use the online editor at https://kw39.github.io/ray-studio/ or download and extract the Windows ZIP, then double-click Ray Studio.exe. No Node.js installation is required. Windows 10/11 x64 and a modern browser are required. The executable is unsigned.
The package includes the MIT license, runtime notices, executable checksum, and build metadata.