You can grab the latest Schematic, Layout files (EagleCAD format from github. Click the Downloads buton at top left to download the entire zip.

• Arduino Stepper/Servo software library with microstepping support.
  To install, click on Downloads in the middle of the page, select Download as zip and uncompress the folder.
  Rename the folder to AFmotor (check that the renamed folder contains the .cpp and .h files) and install into the Arduinosketches/libraries folder. For information how to use and install libraries, see our tutorial! This version now works with with the Mega. Public domain!
• AccelStepper library with AFMotor support. This library allows for advanced stepper control including accelleration and decelleration, and concurrent stepper control! You still need AFmotor above!
  To install, click on Download in the middle of the page, select Download as zip and uncompress the folder.
  Rename the folder to AccelStepper (check that the renamed folder contains the .cpp and .h files) and install into the Arduinosketches/libraries folder. For information how to use and install libraries, see our tutorial!