Infill is a critical property of mechanical components manufactured with Fused Deposition Modeling (FDM, also known as FFF). If you have ever built an FDM part yourself, you probably chose the default setting at first, which is 15%. Or maybe you bumped it to 50% because the part felt too fragile. But did you ever wonder whether the pattern inside the part matters just as much as how much material is there? We did. And we decided to actually test it. Our team worked with a mas

Manufactring process inspection by our engineering team Gramm is now ISO 9001 certified! This marks a significant milestone for the development of our manufacturing service. Starting in November of 2025, it took us only four months to satisfy all the necessary requirements. You can download our ISO 9001 certificate here: Thank you very much to our certification agency bavaria certification GmbH , and Max Cerny-Probst , our consultant: Achieving ISO 9001 certification marks a

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