About this 3D model

The magic bolt is a double-threaded bolt. It can be used as a normal M20 bolt that has two rotate directions, clockwise direction, and counter-clockwise direction. Another magic bolt can be used as a special bolt that has M20, pitch 2 mm, and 1 mm format bolt. I add 0.2 mm and 0.3 mm clearance data together. You can choose one of them for your model. Detail information on Youtube: https://youtu.be/zMg4CeKYpv4Print SettingsPrinter brand: AnycubicPrinter: All-metal MegaRafts: NoSupports: NoResolution: 0.2Infill: 50%Filament_brand: Polymaker PolyflexFilament_color: whiteFilament_material: PLANotes: All printed without the support layer.