Seven Lements
Designed, made and presented
by Rick Eason
for
International Puzzle Party 25
Helsinki,
Finland, July 2005
Seven
Lshaped pieces, no two alike, form a solid cube



The pieces 
An assembled puzzle 
Objective: Make a solid cube out of the seven pieces. There is only a single solution.
Click here for a discussion on variations of Seven Lements and why this particular set of pieces was chosen. Warning: this discussion exposes you to the solution hints!
Click here for the related Eight Lements puzzle that also has only one solution.
Other simpler problems are given by trying to create a solid cuboid (a.k.a. rectangular parallelpiped) out of subsets of the pieces. Five pairs of pieces can form simple cuboids. (Can you find them?) The following table gives all remaining sets making cuboids, the number of solutions (not counting rotations and reflections) and the cuboid dimensions.
Other Cuboids 

Pieces 
Number of Solutions 
Dimensions 

ABCD 
8 
6x5x1 
ABCD 
8 
10x3x1 
ABCD 
4 
5x3x2 
ABCG 
4 
4x3x3 
ABEF 
3 
5x3x2 
ABEG 
6 
4x3x3 
CDEF 
1 
4x3x3 
ABCDEF 
64 
8x3x2 
ABCDEF 
51 
4x4x3 
ABCDEG 
22 
6x3x3 
ABCDEG 
32 
9x3x2 
ABCEFG 
310 
6x3x3 
I really hate to give out solutions, but if you really, really must have my solution sheet, then click here. Before looking looking at the solution, however, you might first try looking at a some of the hints given here.
© R. Eason, 2005