This is a 3D model for printing a charging DOC-station for the Huawey Watch Fit 2 smart watches. This model was printed and use for Watch Fit 2 classic version with stock charging cable. Fit very well.For the best printing quality recommended turn this model for 90 deg. to clockwise direction ( by Y axe)Infill density is not really important, but solid model will have highest weight what is a good reason for this device.Back cover can be screwed by two 2x6-8 mm screws.