Fillets: When to Use 'Em, When to Lose 'Em

Fillets are one of those design features for which there seems to be no middle ground, or at least not one that is widely known. Either a part is devoid of them, and most or all edges are well-defined, or the part’s designer decided to take the opposite route, and every single edge and corner is rounded with some size of fillet radius.

Fillets can be useful in the design world, especially when parts are destined for CNC machining. Check out this new post in the Hardware Guide to learn when fillets are a bad idea, a good idea, and absolutely necessary, so you can start tweaking your designs to be more cost-effective and more readily manufacturable.

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