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About

I am Nik Reljin. For 16+ years I have designed, built and run production software: system architecture, backend services, CI/CD, and applied AI (RAG, LLMs, embeddings), and I mentor the engineers who work on it. My own projects are local-first and privacy-preserving, from a Kinect scanner and a 3D printer to a full local AI workstation: 50+ public repositories, plus the shared CI and release libraries I wrote for them, shipped the way production code is: tested, gated, versioned and released.

triaina and kinect-forge are a pair: kinect-forge scans a real object into a 3D model, and triaina prints it, or cuts it in vinyl, on an ELEGOO Neptune 4.

Other projects

Making and hardware

Project What it is
triaina Neptune 4 as an FDM printer and a drag-knife vinyl cutter, driven from a Raspberry Pi
kinect-forge Kinect v1 as a 3D scanner: capture, reconstruct, measure, export meshes
x240-kbd ThinkPad X240 keyboard and ClickPad as a USB keyboard: RP2040, QMK, OpenSCAD enclosure
pharos Android display and control node for dashboards, telemetry and alerts
kiosk-frame Kiosk photo frame and magic mirror on AntiX, with a web interface

AI

Project What it is
local-ai-lab Hands-on RAG and LLM lessons that run offline
nikos Ubuntu 24.04 to a local-first AI workstation in one Ansible run
ai-runner Pick and run Ollama models locally from a simple UI

Developer tooling

Project What it is
ci-helpers Reusable GitHub Actions workflows
script-helpers Reusable Bash helper library
leak-lock Credential detection for VS Code
git-lantern CLI dashboard for local and GitHub repos: branches, ahead/behind, releases

Apps

Project What it is
scancontext Medical imaging review tool
orthodox-calendar Saints, name-days, readings and ICS feeds for 17 Orthodox traditions
gutenberg-stocks WordPress Gutenberg block for stock time series