Colored models
How can I do this?
1. open your model with Blockbench

2. select the face you want to be colored

3. use a white/gray texture, for better coloring
4. enable the hidden "Tint" feature


5. enable the coloring for each face you want to be colored

6. set the specific color attribute in your .yml file.
Getting colors
7. now you can create as many as furnitures you want, just change the color and it will be automatically colored by the game
