Level 25 History

I Invented this puzzle without the use of computers
The first puzzle in this family I produced was a level 11.8
wich I then kept sawing pieces of and gluing them on again
to reach higher levels. I did not know of any programs to analyse
puzzles back then and after a while I came to this design :
Messy Level 16.4
Then I decided to boost the dimensions of the pieces a bit more
and eventualy I came to design what I thought was a level 24.4
At about that time I came across a nufty little program called
Puzzle Solver 3D
and analysis of that design showed it was only a level 23.3
The Same evening I was able to make it a level 25.3
wich I first made in pine and that version can be found here :
Old Level 25