The situation where Onshape STL files immediately prompt a notification about updates and offer a retrieval option indicates a specific interaction within the Onshape platform. This interaction typically arises when the system detects a change in the source CAD model from which the STL was derived, or when a new configuration affecting the STL generation is available. For example, altering a dimension in the original Onshape design, then accessing a previously exported STL file, might trigger this update and retrieval option.
This behavior is beneficial for maintaining design integrity and version control. It ensures that users are aware of any modifications to the source model that could affect the accuracy or suitability of the STL file for downstream applications such as 3D printing or simulation. Historically, managing revisions and ensuring compatibility between CAD models and derived formats like STL files has been a significant challenge in product development workflows. This automated notification system addresses this challenge by providing a direct link between the source design and its STL representation.