Flat Wrench
Open-ended spanners for any nut size
No printer?
Printaro can print this design for you. Copy the link to your design and paste it in your message, so we know exactly which settings you chose.
Keep the tools free
Found this useful?
These generators are free to use. If one saved you time, a small Ko-fi donation helps pay for hosting, rendering and new tools.
About this generator
The flat-pack furniture wrench you lost, in exactly the size you need.
How to use
- Pick one or two nut sizes.
- Print flat as exported.
- Use it for light tightening only.
Printing tips
- PETG or nylon with 100% infill gives the strongest wrench.
- Plastic wrenches round off under high torque: don't force it.
Helpful guides
Frequently asked questions
How strong is a printed wrench?
Strong enough for light jobs. PETG or nylon with 100% infill works best. Under high torque it rounds off, so don't force it.
What does Length 0 mean?
Automatic: the length follows the largest size. Set a value to make it longer or shorter.