This post reminds me that I really need to find time to update the RPi TensorFlow Github repo. The TensorFlow team is making progress on official support- check out their nightly binaries here:
Model 2/3 B:
Python 2.7: http://ci.tensorflow.org/view/Nightly/job/nightly-pi/
Python 3.4: http://ci.tensorflow.org/view/Nightly/job/nightly-pi-python3...
Python 2.7: http://ci.tensorflow.org/view/Nightly/job/nightly-pi-zero/
Python 3.4: http://ci.tensorflow.org/view/Nightly/job/nightly-pi-zero-py...
Github discussion: https://github.com/tensorflow/tensorflow/issues/5729
Pete Warden's blog post on cross-compiling: https://petewarden.com/2017/08/20/cross-compiling-tensorflow...
The page claims all necessary parts can be bought for about $ 200 on amazon. It looks fun.