The most common and most likely answer to this crossword clue is the 12 letter word CABINETMAKER
I've seen this crossword clue in The Daily Telegraph
C
A
B
I
N
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M
A
K
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More clues leading to the result CABINETMAKER
Buddy explains!
The straight part
We know that "craftsman?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case craftsman? = cabinetmaker.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CABINETMAKER mean?
CABINETMAKER noun- A skilled woodworker who makes high-quality wooden furniture