I am trying to take three grayscale PNGs and turn them into an ASCII file for a CNC machine to mill them out. To get an idea of my project, here are some links:
These are the grayscale images I have photoshopped.
Here are the basic steps of what I'm doing.
- Open QGIS
- Drag a png file in
- Raster>Conversion>Translate(Convert Format)
- Get an error about 4 bands and it only allowing 1 band
I don't particularly understand how to go about doing this. I just want to make a nice birthday gift for my mother by milling out an artpiece of a photo from our vacation together.
I'm completely open to trying other programs as well.