The science behind the system

The Mathematics of the Perfect Fit

How a single tape measure, two body dimensions, and a 2,000-year-old mathematical principle let you draft any garment, in any size — perfectly fitted to you.

Since 1935
Original German System
339
Pattern Supplements
100,000+
Sewers Worldwide
17
Languages Available

A 1935 Discovery That Changed Dressmaking

Maria Aigenberger — later Maria Lutterloh — looked at the prevailing dressmaking systems and saw waste. Hundreds of pattern sheets per size. Recutting from scratch every time a body changed. Nothing that respected how the human form actually scales.

So she went back to the proportions Leonardo Da Vinci had documented in his Vitruvian Man: the Golden Ratio. The same mathematical relationships that govern shells, cathedrals, and the human body itself.

From those proportions, she built one system that fits everyone — using just two measurements as input.

How the Golden Rule Works

  • 1. Two Measurements

    Bust circumference and hip circumference. That’s everything the system needs to know about your body. No size charts, no grading, no tape over twelve different points.

  • 2. Scale the Pattern

    Pick a pattern from the 280 in your starter book. Pin the Lutterloh tape at the pivot point. Rotate it across the radial lines — every line tells you where to mark a dot.

  • 3. Cut & Sew

    Use the French curve to smooth the lines between dots. You’re holding a full-size pattern, scaled to your exact body. Cut, sew, wear.

Still relevant after 90 years

Why It Still Works

The Golden Ratio is built into every human body. The Lutterloh system uses those same proportions — so patterns scale without guesswork.

Body-True Precision

Two inputs replace a dozen measurements. Bust and hip proportions follow the Golden Ratio, so one tape scales every pattern perfectly to your body.

90 Years of Refinement

Since 1935, tested on millions of garments across the world. Every pattern is built on the same mathematical foundation — one that has never needed reinventing.

Used in 17 Languages

From Germany to Japan, dressmakers on every continent use the same principle. The Golden Rule scales to every body, in every language.

Ready to Try the Golden Rule?

Watch the Golden Rule build a pattern in real time, or get the system in your hands today.

Watch the TutorialShop the System