Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
I have a script that does this from 3 images. see 3Dbox at link below. so make a script that takes your image, crops it into 3 pieces and feed those to my script.