Insect I discovered in clever projecting beam (10)

I believe the answer is:

cantilever

I'm a little stuck... Click here to teach me more about this clue!

'projecting beam' is the definition.
'cantilever' can be an answer for 'beam' (cantilever is a kind of beam). I am unsure of the 'projecting' bit.

'insect i discovered in clever' is the wordplay.
'insect' becomes 'ant' (ant is a kind of insect).
'discovered in' is an insertion indicator.
'ant'+'i'='anti'
'anti' put within 'clever' is 'CANTILEVER'.

Can you help me to learn more?

(Other definitions for cantilever that I've seen before include "support at one end" , "Projecting mass" , "Projecting beam fixed at one end" , "Beam supported at only one end" , "bridge design" .)

I've seen this clue in the Sydney Morning Herald.

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