adaptator for 480w power supply on prusa i3 acrylic frame

The power supply of my prusa i3 was a bit short with 240w, so I bought a 480W from aliexpress and needed an adaptation, because the position of the fixations were not the same.
My printer:
http://www.aliexpress.com/item/The-seventh-Generation-Prusa-i3-3d-Printer-DIY-kit-transparent-color-P802M-High-Precision-Reprap-Big/32340184418.html
My power supply:
http://www.aliexpress.com/item/New-12V-40A-480W-Switch-Power-Supply-Driver-Switching-For-LED-Strip-Light-Display-110V-220V/32353039583.html