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Build a Unit-Safe SLS Part Weight Estimator in JavaScript

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An engineer preparing a nylon printing inquiry may know the CAD volume but still need a quick mass estimate. A small browser tool can answer that question without uploading a confidential model. It needs three things: actual material volume, density for the exact grade and quantity. I am sharing this workflow from TPM3D's SLS manufacturing context. The tool estimates mass; an engineering-reviewed quotation remains a separate step.

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