Chronicle
Inverse chronological order
PolyMultiForms 2001 with Break & Paste Polyominoes and PolyWorms.
The DomSlicedPentominoes and the DomSlicedTetrominoes are born.
The PolyDoms (polyforms inspired from the Pythagorean puzzle by Ed Pegg Jr.). The PolyPenrose. The Sexominoes Number Five. The PolyArcIamonds. More about PolyCairos.
A study where polyforms cover solids.
A new old game: Maximizing or Polyform Farms.
We play with the FractalForms.
We defined the IsoPerimetric Polygons.
We talk about PolyMultiForms: PolyScalenes, PolySlimbes, PentaPenta, PolyCairos, PolyBiSquares, SquareRhombi, PolyBricks, Dual and TriOctagonSquares, FourStars&Pentagons, HexagonRhombi, DualStarHexSquares, PolyTriForms and TetraFrogs.
The SexeHexeS are for sale.
We calculated the Fourier Series of a Square. (!)
I introduce to you the SexCubes:
The Polysexes are defined.
Miroslav Vicher solves the Xominoes.
A 91 SexeHexeS hexagon multiple solution.
Do you know the Xomino?
It's the All Fools' Day!
Do you know what is the Zucca's Puzzle?
Just as consolation stake, I solve the 73 pieces star with MMMMMM in central position:
Miroslav Vicher sends the first solution of the four principal sexehex puzzles (he's a genius). You see below a true solution of 91 twoside sexehexes puzzle. You could see the others on his page.
I publish my first hexagon solution. It's made by 127 oneside sexehexes with neutral edges.
Ed Pegg Jr again: he sends the first hexagon solution. It's made by 91 twoside sexehexes.
Ed Pegg Jr names these pieces "SexeHexeS"
I publish the first page about "Sexhexagons".
The Sexominoes and the SexeHexeS are invented speaking about SEXangulum (hexagon) of the ancient Romans with Andrew Clarke.
I opened my site speaking about Pentominoes. I thought to be unique online because in Italian pentominoes are named pentAmini: the search engines didn't find notices about PentAmino.
First edition: 20 Feb 2000

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Chronicle 

PENTOMINOES 

More about pentominoes 
The cube 
3D pentominoes 
Maximizing 

POLYSEXES 

Sexominoes 
Xominoes 
Zucca's Puzzle 
Domino Puzzle 
SexCubes 
Dodecaculeus 
Tubominoes 

SEXEHEXES 

SexeHexeS For Sale 
More about SexeHexeS 
How we did it 
Other Sexehex Puzzle 
My Solution 
Reproduction 

POLYMULTIFORMS 

PolyEdges 
To cover a solid 
Fourier Series of a Square 
Order 13 Perfect Square 
Fibonacci Machine 