You have to buy two light sabers and get two of the flat end caps. These need to be connected back to back by screw or epoxy resin or both. You then can attach a light saber hilt to both sides.
In Disneyland, you can create your own lightsaber at Star Trader in Tomorrowland (next to Space Mountain)
how to use twin lightsaber to become a double bladed lightsaber
Darth Maul used a red double-bladed lightsaber. Sith Lord Darth Traya used a green double-bladed lightsaber.
Darth Maul and Asajj Ventress
You get it when you talk to bao-dur when you have all the lightsaber parts you can choose 1 hand or double bladed
It would make more sense if her lightsaber was purple. It is the girlyest color of known lightsabers. No offense Samuel L. Jackson. Though it is possible that Disney will give her a pink one in the new movie current and/or flashbacks.
darth maul by a stab of his double ended lightsaber in his chest
To my knowledge there is no style that allows you to change lightsaber styles. The only thing customizable are costumes, lightsaber crystals, and force upgrades.
you can buy a lightsaber replica at master replicas
lightsaber
to get a dual lightsaber/ double lightsaber on star wars you need to be a sith inquisitor or jedi consular and get one of these advanced classes Sith inquisitor= Sith assassin Jedi consular= Jedi shadow
Mace Windu's lightsaber color is purple. But all lightsaber blades give off a white glow along with the color of the lightsaber crystal inside, for the lightsaber produces the smell of ozone when activated