Coinfinity Storage Solutions
Coinfinity offers a comprehensive range of storage solutions to protect and organize your entire precious metals collection. From raw coins to slabbed pieces and assay cards, we provide precision-engineered options for every need. Print only what you need or more as you stack grows. Stacker tubes, Storage Bins and Bases with NFC tracking.
Storage Categories
🔁 Coin Stackers
Perfect for raw bullion coins and rounds. Each stacker securely holds a specific coin size and supports NFC tracking and optional magnetic stacking.
Supported sizes:
- 17.2mm Stacker — 1/10 oz coins
- 22.2mm Stacker — 1/4 oz gold
- 27.4mm Stacker — 1/2 oz gold
- 32.5mm Stacker — 1 oz gold
- 38.5mm Stacker — 1 oz silver
- 41.0mm Stacker — Silver Eagles
Model Files
- 3D Models will be available soon on Makerworld! Makerworld
🧱 Bins & Boxes
Organize slabbed coins, assay cards, and bullion bars with Coinfinity Bins. Each bin features an NFC badge slot and secure stackability.
Slab Storage Bin
The slab storage bin is UNIVERAL! It holds slabbed coins from various grading companies:
- PCGS Storage Bin
- NGC Storage Bin
- USCG Storage Bin
- ICG Storage Bin
- SEGS Storage Bin
Assay Card Storage
Designed for credit card–style assay cards and compact bar formats:
- Standard Assay Card Bin
- Credit Card–style slots
(dont put credit cards in here! the magnets will wipe them! Assay cards only!)
Bar Storage
For bullion bars of various sizes:
- Bar Bins can contain bullion bars or any misc items that you want.
- Just a container, no side ridges or slots like the slab and assay bins.
📏 Stacker Specifications
| Size (mm) | Cap Part # | Tube Part # | Fits Coin(s) | Coin Diameter | Typical Thickness | Notes |
|---|---|---|---|---|---|---|
| 17.2 | C-17 | T-17 | 1/10 oz Gold Maple Leaf, American Gold Eagle, Gold Panda, Gold Nugget | 16–17 mm | ~1.2 mm | Compact, high-value storage for fractional gold. |
| 22.2 | C-22 | T-22 | 1/4 oz Gold Maple Leaf, Britannia, Kangaroo, Panda | 20–22 mm | ~1.4–1.8 mm | Compatible with the most traded 1/4 oz coins globally. |
| 27.4 | C-27 | T-27 | 1/2 oz Gold Panda, 1/4 oz Silver Libertad, 1/2 oz Gold Kangaroo | 27 mm | ~2.0–2.3 mm | Ideal for collectible Libertads and higher-relief fractionals. |
| 32.5 | C-32 | T-32 | 1 oz Gold Maple Leaf, Krugerrand, Buffalo, Kangaroo | 30–32 mm | ~2.7 mm | The standard for 1 oz gold bullion storage. |
| 38.5 | C-38 | T-38 | 1 oz Silver Maple Leaf, Libertad, older Pandas, pre-2013 Silver Britannia | 38–38.6 mm | ~3.2–3.3 mm | Fits most international 1 oz silver coins (non-US). |
| 41.0 | C-41 | T-41 | American Silver Eagle, post-2013 Silver Britannia, Silver Buffalo, various commemoratives | 40.6 mm | ~3.0 mm | Perfect for U.S. collectors and large-diameter silver coins. |
📦 Storage Bin Specifications
| Type | Part # | Internal Dimensions | Fits | Notes |
|---|---|---|---|---|
| Slab Bin | B-SLB | 143.25mm × 65mm × 93mm | NGC slabs | Stackable, NFC-enabled |
| Assay Bin | B-ASY | 143.25mm × 65mm × 93mm | Assay cards | Supports RCM, PAMP, etc. |
| Bar Bin | B-BAR | 143.25mm × 65mm × 93mm | Bullion bars | Great for large-format storage |
🛒 Purchasing Options
Each solution is available à la carte or in bundles.
- STL files for personal 3D printing
- Pre-printed stackers and bins
- Accessory packs with bases and magnets
Shop now:
- Coinfinity.US
Model Files
- 3D Models will be available soon on Makerworld! Makerworld
If you have trouble you can reach out to the COINFINITY Discord server for assistance.
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