Compact Multi-Size Wrench
Print Profile(1)
Description
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In many workshops the same problem always appears: wrenches disappear exactly when you need them.
Instead of searching for the correct tool every time, I designed a compact multi-size wrench that combines the most commonly used metric sizes in a single 3D printed tool.
This wrench includes six of the most frequently used metric sizes:
8, 10, 12, 13, 14 and 17 mm
These dimensions were chosen because they cover a large portion of everyday hardware used in:
- general workshop work
- automotive repairs
- furniture assembly
- DIY mechanical projects
Why these sizes?
The selected sizes correspond to very common bolt standards:
| Wrench Size | Typical Bolt |
| 8 mm | M5 |
| 10 mm | M6 |
| 12 mm | M8 (common in automotive and JIS standard) |
| 13 mm | M8 (ISO standard) |
| 14 mm | M9 |
| 17 mm | M10 |
Including both 12 mm and 13 mm is particularly useful because many automotive components use different standards for M8 bolts.
Design Goals
The wrench was designed to be:
- compact
- strong enough for light mechanical work
- easy to print
- convenient to keep multiple copies around the workshop
By printing several of these tools and leaving them around the workspace, you will almost always have the correct size nearby.
Specifications
- Length: 165 mm
- Thickness: 5 mm
- Material: PETG
- Sizes: 8 / 10 / 12 / 13 / 14 / 17 mm
- Type: Multi-size metric wrench
Printing Settings
Recommended settings:
- Material: PETG
- Nozzle: 0.4 mm
- Walls: 4 perimeters
- Infill: 30% gyroid
- Layer height: 0.2 mm
PETG offers a good balance between strength, flexibility and durability, making it suitable for light-duty workshop use.
Tip
Printing several copies and placing them around your workshop or toolbox ensures you always have a wrench available when needed.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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