precision multiturn potentiometer knob

3D Printed Knob for 3590s precision multiturn potentiometerUpgrade 3590s precision multiturn potentiometer with this ergonomic 3D printed knob. Perfect for: Power supplies, audio equipment, test gear, and any calibration work.Print Settings:Material: PLAOrientation: Print uprightSupports: Not neededInfill: 15%Features:✔ Snug fit for 1/4" (6.35mm) knurled shaft✔ Scalloped edge for better grip✔ No supports required✔ STL + source files includedSimply press onto the potentiometer shaft - the tight fit holds securely.