Triangle Brackets for Zip Ties
thingiverse
I designed these brackets to help in the rapid construction of RC airplanes + boats. I use coroplast for rudders, motor mounts, and decks, and using these brackets I can simply zip-tie those pieces at 90º angles to each other, with a decent amount of strength. I've currently got three variants: 5x5x5cm, 4x5x7cm, and another 4x5x7 with thicker walls. If you have an Onshape account, you can customize the parametric model to your heart's delight [here](https://cad.onshape.com/documents/e9b6c4027505446c9fa5cb24/w/a20cd17372f5486e970d5ad4/e/fd05d8efbd4e491c9a39d6d9). You can see photos of my particular use case (RC airboat) above, but these are generically useful to me for a wide variety of attachment purposes. Hopefully they're useful to you as well!
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