"转向几何图形" can be translated into English as "transition to geometric figures" or "shifting to geometric shapes", depending on the specific context and intended nuance.
"Transition to geometric figures" emphasizes the process of changing or moving towards geometric figures.
"Shifting to geometric shapes" conveys a similar meaning but with a slightly more dynamic or abrupt connotation, implying a change in focus or representation.
Choose the phrase that best fits your intended meaning and context.