Batch Lithopane without Customizer

Preparation

1. put "Image2Raw.php" to your web server
2. create an "Input" subfolder
3. create an "Output" subfolder
4. Install OpenSCAD on your Mac

Batch-Converting

1. upload 150x150px images to "Input"
2. run "Image2Raw.php"
3. download the result "archive.zip" (location: "Output")
4. run "buildSTLs.sh" via shell for creating STL-files

...done (after a while).