Wath do you need?
1. A controller (Ps, xbox or something else).
2. Spray paint or if you want normal paint.
3. Sanding paper.
4. Maybe if you want a stencil for the paint.
5. A screw driver.
6. A bowl for the screws (that you don't lose them).
7. And if you want some lacquer to protect the spray paint
8. And of course you need a idea for how you want your controller look.
Step 1: Step 1
First you need to put all the screws out. Put them in a bowl so you don't lose them also put the buttons in there if you don't want to spray them.
Step 2: Step 2
Now you need to put the bottom part away of the up part.
Step 3: Step 3
Now you need to unscrew the mother board.
Step 4: Step 4
Now you need to get all the wires away of the light and the mother board and the mouse pad of the Ps 4 controller.
Step 5: Step 5
Now you need to get every thing out of the controller so you only have the case.
Step 6: Step 6
Now you need to sand the up part of the case and if you want also the bottom part.
Step 7: Step 7 (only Do This Step If You Want)
Now if you want you can print a stencil and cut it out.
Step 8: Step 8 (only If You Want)
Now if you have the stencil printed and cutted out you can stick it the case of the controller
Step 9: Step 9
Now you can spray the controller in the colour that you want. (you can also spray the buttons if you want).
Step 10: Step 10
Now let the spray paint or colour dry
Step 11: Step 11
Now you can put the stencil of it.
Step 12: Step 12
now you spray some lacquer on it to protect the spray paint for scratches
Step 13: Step 12
Now you put the mother board and the mouse pad back in and put all the wires back on there plays
Step 14: Step 13
Now you screw the mother board again on his plays.
Step 15: Step 14
Now you can screw the case with everything in it back to each other.
Step 16: Step 15
Now you can play with your own costumized controller. Much fun with it?