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IMG_5916.JPG First print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fanFirst print in progressThumbnailsHotend fan

The grbl controller; underneath this stepper driver is an Arduino Uno and a breakout board.