Shopping Cart Coin Keychain is a stylish and practical 3D printable token designed to replace a standard 1 Euro coin for supermarket trolleys.
Purpose: Provides convenient access to a trolley coin without the hassle of searching for loose change.
Design Features:
- Exact dimensions matching a 1 Euro coin.
- Compatible with trolleys using coin-slot locking systems.
- Integrated key ring for easy carrying.
- Attractive modern and minimalist design.
- Lightweight yet sturdy structure.
- Single-piece print – no assembly required.
Recommended Print Settings:
- Printer Type: FDM
- Material: PLA (recommended), PETG for enhanced durability
- Layer Height: 0.16 – 0.2 mm
- Infill: 100% for realistic rigidity (or 40–60% for a lighter feel)
- Walls/Shells: 3
- Supports: Not required
- Bed Adhesion: None required; optional brim for small printers
- Orientation: Flat on the bed for perfect dimensional accuracy.
For best compatibility, avoid scaling. Print at 100% size to maintain correct coin dimensions.
Dimensions:
- Diameter: 23.25 mm (1 Euro standard)
- Thickness: approximately 2.3 mm
- Key ring hole: suitable for standard split rings
These measurements ensure smooth insertion and release in standard shopping cart slots.
Use Cases:
- Trolley token replacement
- Keychain accessory
- Everyday carry (EDC) item
- Promotional item or branded giveaway
- Useful 3D print for practical daily life