This is a manual filament winding setup for filament joining. The BOM Filament Splicer - https://amzn.to/2OMz5Ib All thread 36" - https://amzn.to/38heSC0 Wing Nuts - https://amzn.to/2OHoD4I Nuts - https://amzn.to/31KDT63 Washers - https://amzn.to/2UHIswB Beartings - https://amzn.to/2OLfoRg Filament - https://amzn.to/2SEUR1N Clamps - https://amzn.to/2vmYLUX