52.0mm Stacker

Built for the largest standard bullion coins — 2 oz silver

Overview

Design

52 Stacker –>

Dimensions

Feature Value
Inner Diameter 52 mm
Base Diameter 60 mm
Stacker Height 65 mm
Total Height 79 mm
Cap Height 14 mm
Coin Channel Depth 59 mm
Base Recess 0 mm
NFC Badge Slot Ø25 mm × 1 mm (snap-fit)
  • Primary Use: Large 2 oz silver coins
  • Part Numbers:
    • Tube: ‘T-52’
    • Cap: ‘C-52’

Compatible Coins

Coin Name Diameter Thickness Mint
Australian Kookaburra (2 oz) 52.0 mm 6.6 mm Perth Mint
Australian Lunar Series (2 oz) 52.0 mm 6.6 mm Perth Mint
Chinese Silver Panda (2 oz) 52.0 mm 6.0 mm People’s Bank of China
Mexican Libertad (2 oz) 48.0 mm 6.0 mm Casa de Moneda de México
South African Krugerrand (2 oz) 50.0 mm 5.5 mm South African Mint

Note: This stacker is optimized for standard 2 oz silver coins. These are among the largest commonly-traded bullion coins.

Specifications

  • Recommended Coin Diameter: 47.5-52.0 mm
  • Typical Coin Thickness: ~5.5-6.6 mm

Capacity

  • Standard tube (65 mm height): Holds ~10–12 coins depending on thickness
  • Designed for 2 oz silver coins
  • Accommodates nearly all major 2 oz bullion coins on the market
  • Perfect for Australian Kookaburra and Lunar collectors

Magnetic System

Magnet Type: Ceramic/Ferrite, 25 mm × 4 mm thick

  • Locations:
    • Lid (South polarity up / hole down)
    • Base (North polarity up / hole up)
  • Configuration: Embedded into each part during printing

NFC Integration

  • Tag Type: NTAG215 (25 mm round)
  • Placement: Inserted into badge slot after printing
  • Scan Area: NFC badge face
  • Compatibility: Most NFC-enabled smartphones

Technical Notes

  • Optimized for 2 oz silver coins
  • Maximum stability with 60 mm base
  • Robust vertical stacking capability
  • Ideal for collectors of large-format bullion coins
  • Important: Because of their weight and thickness, 2 oz coins may stack differently compared to 1 oz series. Ensure magnets and NFC tags are seated securely before long-term storage.

Model Files

  • 3D models files are available on Cults 3D! Cults 3D

Navigation

Required Components

See the Bill of Materials for full details.

  • Tube STL file (T-52.stl)
  • Cap STL file (C-52.stl)
  • NFC badge (badge.stl)
  • 2× Ceramic/Ferrite magnets (25 mm × 4 mm)
  • 1× NTAG215 NFC tag