GT Knot Assist (Seiko tool)
thingiverse
For instructions of making a knot please refer to the instructions of the original tool - https://www.youtube.com/watch?v=uor7aj75tHE The parts should be printed with supports. Standard 20% infill, 5 or more lines per wall, layer height doesn't matter much. You can use PLA, ABS, or PETG. PLA and ABS will give you a firmer version. But I like PETG for this tool more. You will also need some silicone pad pieces and any flat silicone will fit as long as it's 0.9-1.1mm thick. Plus you need metal rods 3mm in diameter and 2cm long. I used nails for that.
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