Irving Avina

CREATIVE DEVELOPER

irving@madmonkeys.io

Cross Reality digital twin exploration system

Cross Reality is a Unity-based digital twin system for customizing 3D scenes with a hybrid GUI + LLM interface — the technical foundation for the paper A Hybrid GUI-LLM Interface Paradigm for 3D Scene Customisation. In a 12-participant study, LLM-only was 34% faster than GUI-only, GUI users improved 41% across sessions vs 7% for LLM-only, and 67% preferred the hybrid overall.

Read the full paper on ACM →

My Role

  • Architecture & Interaction Model
  • Unity Systems Implementation
  • USD Backend & Runtime Entities
  • Realtime Sync (Websockets + CRDT)

Technologies

  • Unity
  • OpenUSD
  • Structured LLM Output
  • Websockets + CRDT
  • Claude / Mistral APIs

Academic framing, study design, and paper writing were led by the main author. I owned the architecture and built the system: a reflection-driven layered UI, an OpenUSD-backed entity runtime, and live collaboration over websockets with CRDT sync.