1.75mm Filament Clip

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I've tried every filament clip available and none meet my requirements. The common issues I encountered were: Filaments that are too long won't fit on a full spool. Some clips aren't tight enough, while others easily dislodge when stacked next to each other. To address these problems, I designed clips that have been working well so far. There's a 4mm wide version for MakerBot spools and a 5mm wide version for other miscellaneous spools. Both are compatible with 1.75mm filament. When printing these clips, it's recommended to use a raft and print slowly due to their small size. A single shell with a high fill percentage of at least 30-50% is also suggested. However, getting the hole exactly the right size can be challenging, so you may need to drill it out.