Production of screen

Cut the black acrylic transparent board into the inner size of the shell cover (it is laborious and takes me about 20 minutes), as shown below:

Sorry, I forgot to take pictures in the future steps, and have to use the pictures taken before. After that, fix the shell cover and acrylic board with hot melt adhesive.

Overall assembly

Fix the shell cover and shell with glue. Rotate the clock, and the display also changes. By now, the entire production is completed.