String Light Generator
You can get the free HDAs on gumroad: https://dctech.gumroad.com/
or ArtStation: https://www.artstation.com/undertow/store
They work in Unreal, Unity, Houdini, Maya and Max
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This demo is also using parts of the Frost Realm pack: https://www.unrealengine.com/marketplace/en-US/product/frost-realm
I had been getting a bit festive with my free time recently...
User guide & demo, split up for ArtStation's video limit
The demo material showing some of the vert color uses in Unreal
Lots of options like light type, single or double strand wire, vert color mask, and more.