A simple but essential hardware helper for guitarists and builders working with control plates, enclosures, and panels. Centers the pot shaft perfectly and prevents rotation and wobble.

⚙️ Parameters

• 〇 Hole diameter — the existing hole in your panel or plate
• ● Shaft diameter — the bushing/thread diameter of your potentiometer
• ▭ Plate thickness — the thickness of the panel the ring sits against

ℹ️ The washer flange is always wider than the ring itself, ensuring full bearing contact on both sides of the panel.

🔧 Typical use cases

• 🎸 Guitar control plates — fitting Alpha Taiwan pots into holes sized for Bourns or CTS pots
• 🎛️ Effect pedal enclosures — reusing an existing drilled panel with a different pot brand
• 🔩 Any panel or chassis where the pot bushing is smaller than the hole

🖨️ Print settings

• Layer height: 0.15–0.2 mm
• Perimeters: 3–4
• Material: PETG or ABS recommended (PLA fine for light duty)
• No supports needed