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Cake day: July 6th, 2023

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  • Similar, but I believe the strength addition is also because it changes the directions of the Z-axis layers.

    Most filament is rather strong in tension. If you imagine printing a regular cube, without rotation, it’s going to be strongest stretching or compressing the sides of the cube.

    But if you pulled the cube apart from its top and bottom, the only adhesive strength is the fused connection between layer heights. Which is super weak.

    By printing at an angle, the layer heights may be in a direction that doesn’t receive tensile load, making it functionally stronger.


  • I’m adjacent to this problem, so I have a little context, but am not an expert at all.

    To my knowledge, we don’t have granular control over panels. So we can shut off legs of a plant, but that’s a lot of power to be moving all at once.

    Instead, prices are set to encourage commercial customers to intake more power incrementally. This has a smoother result on the grid, less chance of destabilizing.

    A customer like a data center could wait to perform defragmentation or a backup or something until the price of power hits a cheap or negative number.