The most common and most likely answer to this crossword clue is the 8 letter word DIE-CAST
I've seen this crossword clue in The Times
D
I
E
-
C
A
S
T
More clues leading to the result DIE-CAST
- Eating less, perhaps, accountant’s to get in shape
- Leader of Conservatives, when in Parliament, got into a mould
- Moulded terse version of Caesar’s Rubicon speech?
- Moulded into shape cadets I trained
- Moulded institute into training cadets
- Moulded sink thrown away
- Players must support director that’s to shape The Crucible’s lead
Buddy explains!

The straight part
We know that "shape" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shape = die-cast.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 DIE-CAST mean?
DIE-CAST noun- A model or object made by this technique.
- To make an object by pouring a liquid or molten material into a reusable mold or die in which the material hardens.