Algorithm notation. The Clover Cube, designed by Leslie Le and later mass-produced by QiYi, is a Curvy Copter with hidden corners: its curved cuts run through the face centres and the cube corners, so every face shows four clover leaves and four edges, and the corners stay inside. It turns around its edges, so its notation names edges rather than faces. An edge move is named by the two faces that meet at that edge: UF UR UB UL FR FL BR BL DF DR DB DL. Each move flips that edge 180 degrees, so no 2 or prime is needed, and the letter order does not matter (FU equals UF). Brackets repeat or invert a group: (UF UR)x3 or (UF UR)3 plays the pair three times and (UF UR)' plays its inverse. Jumbling moves, where a layer stops half way, are not modelled. The second input loads an algorithm into the player under the puzzle, played on the puzzle as it stands (set up a scramble with the first input): step through it with the buttons, press play, or click a move to jump there.

Clover Cube simulator: solved on the left, scrambled on the right

Online Clover Cube Simulator

Free Clover Cube simulator in 3D: flip the edge wedges, sort the four-leaf clovers, time your solves and step through algorithms right in your browser.

Clover Cube Simulator: An Edge-Turner With Four-Leaf Faces

The Clover Cube was designed by Leslie Le of Very Puzzle, who announced it in 2016; QiYi later brought out a mass-produced version. It belongs to the same family of twisty puzzles as the Curvy Copter: every move is a 180-degree flip around one of the twelve edges, along curved cuts. Here the cuts pass through the face centres and the cube corners, so each face shows a four-leaf clover of 4 leaves with 4 edge pieces between them, and the corners stay out of sight inside the puzzle.

This Clover Cube simulator models exactly that: 24 leaves and 12 edges on the surface, turned by the standard edge flips.

How to practise with it

Drag a sticker toward an edge to flip that wedge, or use the QWER, ASDF and ZXCV keys, one key per edge. Drag the background to orbit and inspect every face.
Press Scramble for a random position. The timer goes back to zero but only runs when you press Start or the Space bar, and the same key stops it.
Undo steps back one move and Reset restores the solved cube, so you can try an idea and back out of it.
Paste an algorithm and press Apply, or load it into the player under the cube to walk through it move by move. The demo list under the notation includes a basic edge commutator and a few longer patterns.
Use the link and embed boxes to save a scramble and algorithm as a URL, or to put the puzzle on your own site.

Solving tips

Edge-turning cubes like this one reward thinking more than memorising. A workable plan:

Solve the leaves of one face, then the edges around it, much as you would build a first layer.
Work face by face, pairing up leaves and flipping them into place while keeping finished faces intact.
Finish the last pieces with short sequences of four or so moves that cycle a few pieces, wrapped in setup moves that you undo afterwards. Load a candidate such as the demo UF UR UF' UR' into the player and step through it to see exactly which pieces it moves.

The leaves behave like the centres of the Helicopter Cube: with 180-degree flips they stay in fixed groups, so a leaf can only reach some of the spots of its colour. If one will not go where you want, try another leaf of the same colour. When two edges seem to need a plain swap, a known trick is to use leaves as temporary partners and combine several three-cycles of leaves and edges.

Does the simulator support jumbling?

No. The real puzzle can turn part way and change shape, which is called jumbling. This simulator plays the regular 180-degree flips only, which is enough to scramble and solve it as a cube.

Should I learn the Curvy Copter first?

It helps. The moves and notation are the same, and the Curvy Copter simulator or the simpler Helicopter Cube teach the edge-flip intuition that the Clover Cube relies on.