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We have received many questions about the cutting of jigsaw puzzles.
· We believe that it is seldom possible (and rarely practical) to make one complete jigsaw
puzzle from two incomplete jigsaw puzzles. Here's a few of our reasons: Few people would expect wooden puzzles to be
always cut the same way, but cardboard puzzles are cut by large machines, so many people assume that each puzzle of the same
title and series is identical. Actually, many such puzzles have been cut with slightly different dies or die alignments, or
with slightly different die to picture alignments. [See "Palomino", below.] Sometimes, two dies are used on each puzzle:
one die for the horizontal cuts and another for the vertical cuts. Even if two puzzles were cut from the same die or two
dies, the pieces from one puzzle still may not fit well in the other puzzle. Dies can change shape slightly, or develop
wear, or break - sometimes repairs must be made. Also, individual, uncut puzzle boards may be aligned to the dies with
slight variations. The only way that a piece could fit perfectly in another puzzle would be if the two puzzles had been
struck with absolutely identical alignment. That is possible but probably not frequent. We have heard from one person
who claimed to have completed a single puzzle this way. See TUCO Puzzle Site
for further discussion of this topic. Thanks, Jim McW
· We frequently receive questions about how many pieces a certain puzzle or series of
puzzles contain, for ascertaining whether the puzzle is complete or not. Most die cut puzzles can in effect be described as
strip cut ( regular interlocking pieces in both vertical and horizontal). If this is the case, then, by assembling one
vertical and one horizontal edge and counting the number of pieces in the vertical and the number in the horizontal and
multiplying these two numbers, the total number of pieces can sometimes be determined. This can also be used with some
hand-cut, wooden puzzles but with some caution, since the cutter may sometimes first cut his board into smaller sections and
then divide up the sections in such a way as to arrive at, or very close to, the desired total.
In any case, we do not believe that counting pieces is a fool-proof method of determining completeness, for a number of reasons:
1) The number of pieces printed on most boxes is approximate and usually labelled as such ("approximately" or "more than" ).
2) The number of pieces can vary from puzzle to puzzle within the same series.
3) Dies can break or make incomplete cuts, resulting in two pieces "coming out as one".
4) When a piece is accidentally left out of a box, it often gets into the next box on the assembly line. If this happens,
and another piece is left out of that puzzle, it will seem to have the right number of pieces, but it will actually have one
missing and one extra piece.
5) Some of the more challenging puzzles are impossible to estimate, so the number on the box can only be considered a guide.
6) Occasionally, puzzlers somehow get a piece from one puzzle into the box of another puzzle. So, a "correct" count is not a
guarantee of a complete puzzle.
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