OpenSCAD .csv driven batch exporter

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Python Script to Execute Batch Series of OpenSCAD Command Lines --------------------------------------------------------- The following Python script will execute a batch series of OpenSCAD command lines driven from a .csv file. It uses OpenSCAD's -D capability to populate variables on the command line. Here is an example .CSV file format: FILE,ARGS,able,baker,charlie "test1.png","--render --projection=o",10,20,30 "test2.stl",,20,30,40 "test3.stl",,30,40,50 This will generate a set of images or .STL files based on the parameters in the .csv file. The OpenSCAD script can be as simple as this: nable = 10; baker= 10; charlie = 10; cube([able,baker,charlie]); To run the Python script, use the following command on Debian: python3 openscad_batch.py -x params.csv test.scad This will generate a series of command lines like this: openscad --render --projection=o -D "baker=20" -D "able=10" -D "charlie=30" -o test1.png test.scad openscad -D "baker=30" -D "able=20" -D "charlie=40" -o test2.stl test.scad openscad -D "baker=40" -D "able=30" -D "charlie=50" -o test3.stl test.scad Note: This script requires Python 3 and a recent version of OpenSCAD. The OpenSCAD executable must be in the PATH. Example Use Cases ----------------- Call the script with -h to get instructions: python3 openscad_batch.py -h You can also read the instructions in the source below. Supported Formats ------------------ The Python script supports a variety of output formats, including .STL and images. You can specify the format by modifying the file extension in the .csv file. Parameter Names ---------------- Do not enclose parameter names in quotes. Frequently Asked Questions ----------------------------- Q: What is the correct syntax for the .csv file? A: The first row contains parameter names, and subsequent rows contain output file names and arguments. Q: How do I specify multiple formats? A: Simply add more rows to the .csv file with different extensions. Help ----- For help, use: python3 openscad_batch.py -h Usage ----- * Call the script with -x to prevent execution. * Specify the .csv file location and OpenSCAD file name as arguments. * The script will generate a series of command lines based on the parameters in the .csv file. Examples -------- Python 3: python34 python openscad_batch.py params.csv cubeout.scad python openscad_batch.py -x params.csv cubeout.scad Linux: python3 openscad_batch.py params.csv cubeout.scad