A multi-car garage for the 987 and 981: a full 3D X-ray, fault finding, service history, plans and DIY wheel & alignment tools — connected to Claude, OpenAI, or Gemini.
Orbit a real 3D model in your colour, strip it to every assembly in X-ray, or follow coolant, fuel, air and wiring through the car — each part tied to numbers, torque and intervals for your generation.
Explore the 3D viewer →Drag to spin, scroll to zoom, and switch the paint to your spec — the body repaints live.
Seven tools that keep your car's whole life in one place — history, plans, faults, DIY math and the AI you already use.
Record each service with a checklist, mileage and cost — DIY or shop. Your full history stays with the car.
Build plans with the steps and parts to order, tick things off, then turn a plan into a logged service in one click.
Save the wheels you own and check any tyre against them — rim fit, rolling diameter, speedo error, poke and clearance — plus offset, staggered-diameter and alignment calculators with visual diagrams. Our own math, no third-party site.
Open the DIY tools →Add every Boxster and Cayman you own — 987 or 981 — and switch in one click. History, plans and AI context stay scoped to the car you're looking at.
See the garage →Connect your garage to Claude, OpenAI, or Gemini over MCP and simply talk to it. It logs services, looks up specs, answers fault questions and plans what's next — updating your garage with your approval.
FLAT·SIX is free and open source — no ads, no tracking, no paywall on the reference data. Built by a 981 owner who wanted to give the DIY community the tool he wished existed.