About this 3D model

THIS IS MY FIRST LIGHT BOX BE GENTLE i PUT ALL THE COLORS IN AT 1 TIME THEM SAY YES AND ADD THE BACK PLATE ON A SEPERATE BUILD PLATE HOPE YOU LIKE IT I LOVE 3D PRINTING AND AM JUST GETTING IN TO ALL OF THIS PLEASE FEEL FREE TO MESSAGE ME WITH ANYTHING YOU SEE I SHOULD FIX THANKS FOR CHECKING IT OUT