%0 Journal Article %T 3D Quantum Gravity, Localization and Particles beyond Standard Model %A Risto Raitio %J Journal of High Energy Physics, Gravitation and Cosmology %P 96-109 %@ 2380-4335 %D 2025 %I Scientific Research Publishing %R 10.4236/jhepgc.2025.111009 %X We review a 3d quantum gravity model, which incorporates massive spinning fields into the Euclidean path integral in a Chern-Simons formulation. Fundamental matter as defined in our previous preon model is recapped. Both quantum gravity and the particle model are shown to be derivable from the supersymmetric 3d Chern-Simons action. Forces-Matter unification is achieved. %K Chern-Simons Theory %K Quantum Gravity %K Composite Particles %K Beyond Standard Model %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=139955