Petrus Method

A complete single-page reference for Lars Petrus's method of solving Rubik's Cube for speed.

Read it here: https://ajgdsn.github.io/LarsPetrus/

Contents

All pages from lar5.com/cube collated into one document, with Lars's text in full and every cube animation using the same settings as his site:

• Basic cube facts and terminology
• Steps 1–7 with interactive Roofpig cube animations
• Step 3 edge orientation index (2, 4 and 6 bad edges)
• Step 4b full tricks index
• Step 5+6 and Step 6+7 full algorithm indices, including every case in corner groups A–G
• Block building patterns
• 13 annotated solution examples
• The final layer as 270 combo cases (Lars's essay; the cases themselves live in his Birdflu web app)
• Physical and mental speed tips
• Algorithm quick reference

Usage

Open in any modern browser; on iPad, add it to the Home Screen from Safari's Share menu.

Everything the page needs is in this repository, so it no longer depends on lar5.com or a CDN:

• vendor/ — the Roofpig library exactly as lar5.com serves it (identical to Roofpig master a85d8a0), with its MIT licence, and jQuery 3.1.1. Pinned here so a library update can't change the page.
• assets/ — Lars's case diagrams, photos and the three finger-trick videos.

Only the outside links (Birdflu, Helmstetter's solutions and the like) need the internet.

To print: load the page fully, wait for all cube diagrams to render, then print. The cube widgets will snapshot to static images automatically.

Credits

All content by Lars Petrus — lar5.com/cube. Animations powered by Roofpig (MIT licence). Collated for personal study use.