About this 3D model
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).