47.5mm Stacker
Built for fractional silver coins (such as 1.5 oz Libertads) and specialty rounds up to 47.5 mm
Overview
Design
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Dimensions
| Feature | Value |
|---|---|
| Inner Diameter | 47.5 mm |
| Base Diameter | 60.0 mm |
| Total Height | 86.5 mm |
| Cap Height | 14.0 mm |
| Tube Height | 72.5 mm |
| Base Recess | -0.5 mm |
| NFC Badge Slot | Ø25 mm × 1 mm (snap-fit) |
- Primary Use: Fractional silver coins (1.5 oz) and specialty rounds
- Part Numbers:
- Tube:
T-47 - Cap:
C-47
- Tube:
Compatible Coins
| Coin Name | Diameter | Thickness | Mint |
|---|---|---|---|
| Mexican Libertad (1.5 oz) | 41.5 mm | 3.5 mm | Casa de Moneda de México |
| Various 2 oz Silver Rounds | 42-47 mm | 4-5 mm | Various private mints (2 oz silver rounds, 42–47 mm) |
Note: This stacker accommodates larger specialty rounds and fractional silver coins between 41mm and 47.5mm diameter. Few official mint coins are issued in this size range.
Specifications
- Recommended Coin Diameter: 41–47.5 mm
- Typical Coin Thickness: ~3.0-5.0 mm
Capacity
- Standard tube (72.5 mm height): Typically holds 12–18 coins depending on thickness and design
- Note: Specialty rounds may vary significantly
- Designed for specialty rounds and fractional silver coins
- Few official mint coins are issued in this size range
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 specialty rounds and fractional silver
- Maximum stability with 60 mm base
- Robust vertical stacking capability
- Ideal for collectors of unique or commemorative rounds
Model Files
- 3D models will be available soon on MakerWorld! MakerWorld
Navigation
Required Components
See the Bill of Materials for full details.
- Tube STL file (
T-47.stl) - Cap STL file (
C-47.stl) - NFC badge (
badge-47.5.stl) - 2× Ceramic/Ferrite magnets (25 mm × 4 mm)
- 1× NTAG215 NFC tag