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If you added a little backstop (just a small lump of metal) to each of the six arms that form the core of a cube, so there's a backstop just below each centerpiece, the backstops would prevent the springs inside the centerpieces from pushing the centerpieces inwards any further than the position...

In principle, you can replace the springs in any cube with pairs of opposing ring magnets. However, in practice, many cubes use incremental tensioning systems, and I'm worried that some of those tensioning systems would stop working correctly, if their springs werereplaced with magnets. For...

> A pole piece is a structure composed of material of high magnetic permeability that serves to direct the magnetic field produced by a magnet. A pole piece attaches to and in a sense extends a pole of the magnet, hence the name. -- Wikipedia | Pole Pieces Pole pieces not only allow us to...

I had an idea for a mod, and wanted to ask if anyone has proposed it before. If it's original, I'll develop it more, then publish something similar to the PDF I shared a few days ago. In its simplest form, the idea is to fix four magnets to the bottom of each center-piece, one in each corner...

The YouTuber SpeedCubeReview was dismissing the Valk 3 Elite M as nothing but a copy of what people like him had done for years. I pointed out that QiYi actually changed the design to mitigate an issue with the Elite Mod that he had not addressed in his video. He deleted my comment. Another...

The Elite Mod creates novel geometry that could potentially ruin your cube if you do not understand it. QiYi know about this, and opted for a mitigation strategy on the Valk 3 Elite M. The community (as far as can tell) are completely unaware of this, as every tutorial gets it wrong. While QiYi...