SUKU preview converter scrtipt added

.github/workflows/openscad_preview.sh

@@ -0,0 +1,26 @@
+cd ./temp || exit
+
+# Iterate through all STL files in the temp folder
+for stl_file in *.stl; do
+    # Temporary OpenSCAD script file
+    tmp_script="__tmp__$stl_file"
+
+    # Extract the file name without extension
+    filename_no_ext="${stl_file%.*}"
+
+    # Generate OpenSCAD script
+    echo "import(\"$stl_file\");" > "$tmp_script"
+
+    cat "$tmp_script"
+
+    # Generate PNG preview using OpenSCAD
+    # xvfb-run -a openscad -o "$filename_no_ext.png" --colorscheme=Tomorrow --imgsize=3200,2400 "$tmp_script"
+
+    xvfb-run -a openscad -o "$filename_no_ext.png" --camera=1,-2,1.5,0,0,0 --viewall --colorscheme=Tomorrow --imgsize=3200,2400 "$tmp_script"
+    xvfb-run -a openscad -o $filename_no_ext"_reverse.png" --camera=-1,2,-1.5,0,0,0 --viewall --colorscheme=Tomorrow --imgsize=3200,2400 "$tmp_script"
+
+    # Remove the temporary OpenSCAD script
+    rm "$tmp_script"
+done
+
+echo "PNG previews generated successfully in ./temp"