Superhive Market - SDF-R v16.1.0 

https://superhivemarket.com/products/sdfr
Blender Version  4.0 - 5.1

• SDF.R is a groundbreaking engine designed to bring the power of Signed Distance Fields (SDF) to Blender with unprecedented speed. As the first-ever add-on in its class to integrate a custom Rust-GPU backend, SDF.R sets a new standard for performance and topological quality.