Common collocations:
初具雏形 (chū jù chúxíng) 'to begin to take shape',
还是个雏形 'still just a prototype'. Used for systems, ideas, products, theories, organizations — anything in its formative stage. Compare
原型 (yuánxíng) 'prototype / archetype' which is more concrete (a working model), while
雏形 emphasizes the early, unfinished stage.