The most common and most likely answer to this crossword clue is the 7 letter word SCULPTS
I've seen this crossword clue in The Times
S
C
U
L
P
T
S
Buddy explains!
The straight part
We know that "Forms" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case forms = sculpts.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 SCULPTS mean?
SCULPTS noun- A modification that can be applied to an object, like a texture, but changes the object's shape rather than its appearance.
- To form by sculpture.
- To work as a sculptor.