Operation Overbuilt workshop entry. Skip Intro is available.

Build 001

The 1:1 GT3 RS Build

A full-scale Porsche 911 GT3 RS recreated from 3D-printed LEGO Technic-geometry components.

The 1:1 GT3 RS Build
The Starting Point

Before it became 4.5 metres of questionable judgement.

The orange GT3 RS model gives the project its visual language and the Technic geometry that Operation Overbuilt is pushing into full-scale engineering.

Print Production // September 2026

62.44% printed.

The current project tracker records 62.44% completion across the tracked part lines. The workbook shows each DesignID, required quantity, quantity printed, remaining quantity and the current completion figure.

This is print-production progress, not the percentage of the complete car assembled. Some printed parts may still need reprints, revision, finishing or installation before they become part of the final 1:1 build.

62.44% PRINT TRACKER
2,704-part build target Tracker updated Sep 2026

2,704 parts

The original Technic geometry, taken to full scale.

4,555 mm × 1,970 mm

Real-world length and width. Not “big LEGO”. Actual 1:1 proportions.

3D printed

Full-size polymer components produced, reworked and tested in the workshop.

Built in public

Failures, redesigns and breakthroughs are documented rather than edited out of history.

The question

If Technic geometry is scaled to 1:1, can it still behave like a mechanical system rather than just look like one?

What that means in practice

Every connection, pin, axle, bracket and structure suddenly has to deal with full-scale manufacturing tolerances, printed-material behaviour, assembly variation and loads that simply do not exist at tabletop scale.

The build is the experiment — and the experiment is the story.