The phrase "individual molds" refers to the unique qualities or characteristics that make someone different from others. It suggests that each person is special and has their own distinct traits. Full definition
It's basically an Italian custard so it's made with milk and eggs on a stove then poured into individual molds and refrigerated to firm up. (hezzi-dsbooksandcooks.com)
Process until smooth, then pour into individual molds (or into a baking dish lined with parchment paper). (insonnetskitchen.com)
To form these inscriptions, workers first created small individual molds for each letter in the Latin alphabet. (discovermagazine.com)