![]() – Incorrect data can produce multiple incorrect models – Data extraction process need to be highly accurate and may require considerable time investment – Ensures uniformity of models in the same family or series – No need for manual library creation and verification, as long as the initial automation models (data and scripts) have been rigorously tested – Hundreds of models (of the same packages) can be produced within minutes ![]() This approach can be especially useful for parts that belong to the same series or family. Software-generated CAD models, on the other hand, are produced to speed up the process of creation. – There’s a higher risk of inconsistency when producing models in the same family or series since the process is manual, and may have multiple engineers involved – Since it’s an error-prone process, verification is essential – Since model creation is manual, there’s a limit on how many can be produced well in a given unit of time – When models are manually-made, it is more likely they’ll follow datasheet recommendations if that is preferred, than an overarching standard like IPC. – Manually-created CAD models are high-quality as long as they’re created based on standards, which are followed rigorously At SnapEDA, we always use creation and verification checklists to ensure we don’t miss any critical aspects of the library, and to ensure proper interpretation of the datasheet by the initial creator of the part. When engineers are creating CAD models, they’ll typically work from checklists to ensure that the parts are created based on standards. Manually created models are made individually based on a particular part number. In this post, we list the pros and cons of each type of model, and then share SnapEDA’s development process. ![]() Are software-generated CAD models better or worse than those created manually by engineers? What are the pros and cons of each development style?
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