Join the Bright Side !
Render with Cycles and modified in Photoshop (luminous aura)
You can download .BLEND / . FBX or .OBJ (or more)
With an texture silver and bronze polished.
You can change the color of the saber, you have the examples here : https://www.instagram.com/p/CuW5GD0IuWi/ or here : https://www.artstation.com/artwork/LRx5NA
May The Force Be With You !