Brylark wood is a natural, strong-as-metal material in Star Wars Canon. Wood from the Brylark tree is the only known type of wood strong enough to be incorporated into the design of a lightsaber. Wooden lightsabers are very rare in Star Wars Canon (most lightsabers are made out of metal).
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Gungi, a Wookiee Jedi youngling in the Star Wars: The Clone Wars television series, constructs his lightsaber using Brylark wood. Bylark wood first appeared in a 2012 episode of Star Wars: The Clone Wars entitled “A Test of Strength”.
Bylark Wood Lightsabers in Real Life
Several lightsaber companies have sold Brylark wood inspired lightsabers and accessories. Savi’s Workshop, an official build your own lightsaber experience at Star Wars Galaxy’s Edge at Disneyland and Disney World, features several Brylark wood piece options for individuals who choose to build an Elemental Nature themed lightsaber.
Custom saber company Kyberlight sells a Brylark custom sleeve accessory [affiliate link] for their lightsabers (the sleeve is made of metal, but features a Brylark inspired woodgrain pattern). Jawa’s Junkyard released a limited run of a 3D printed custom Gungi lightsaber in 2018. CaseStudyno8, a designer on Thingiverse, offers free 3D printing design files for a Gungi inspired lightsaber.
COVER IMAGE CREDIT Disney/Lucasfilm
Image depicts Gungi’s Brylark wood lightsaber in the Star Wars: The Clone Wars television series.