TTSR - The Tougher Safety Ring (door opener)
Description
This is not my original design but merely a remix. The Original by [LeonWoodman](https://www.thingiverse.com/LeonWoodman) is, without a doubt, one of the most nicely designed iterations in that ocean of more or less useful no-touch tools thingiverse is currently flooded with. I decided to modify it a little for toughness, though. It is using a [16x3mm screw](https://www.aliexpress.com/item/4000020967604.html) and [a cheap M3x3x4.2 brass nut insert](https://www.aliexpress.com/item/4000153040875.html). I also made some smaller modifications to ease assembly even a bit more. I printed this in ABS+. No supports, rafts or fan required. If you find the line breaks around all the links in this description annoying, [please file a bug report here](https://www.thingiverse.com/support). Thank you.
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