Pen Ball
If you find holding writing utensils difficult to grasp or painful, the customizable Pen Ball provides a larger surface to hold your pen so you can write comfortably.
Mechanics
3D Printing
24
332
9
4.9kDevice Information
Overview
The pen ball makes it easier to grip a pen, pencil, or other writing utensil for someone with joint pain or limited hand dexterity.
This assistive device can be customize to fit the user's hand size and writing utensil. Consult the table below. If the premade dimensions aren't suitable, the maker can modify the OpenSCAD file with exact measurements.
| Pen ball version | Pen hole size | Ball Diameter (mm) | Maximum Pen Hole Diameter (mm) |
| Small Pen Ball | Narrow | 50 | 5 |
| Standard | 50 | 10.5 | |
| Wide | 50 | 12.5 | |
| Medium Pen Ball | Narrow | 60 | 5 |
| Standard | 60 | 10.5 | |
| Wide | 60 | 12.5 | |
| Large Pen Ball | Narrow | 70 | 5 |
| Standard | 70 | 10.5 | |
| Wide | 70 | 12.5 |
How To Use
Rest the Pen Ball in your palm to write. To just the position of the pen or pencil, or to swap out for another writing utensil, loosen the two side screws holding it in place.
Disability Type Description
This device is intended for users who have difficulty holding a pen or pencil. This may be caused by disabilities effecting the finger and hand, such as arthritis, osteoporosis, Ehlers-Danlos syndrome, spinal cord injuries, among others.
Estimated Cost (CAD)
Maker Information
Skills Description
The only skill required is beginner level 3D printing and minimal assembly.
Print Time (hrs)
3
Assembly Time (hrs)
0.25
Tools Needed
Common Hand Tools;3D Printer
Build Instructions
There are multiple sizes available for this device for both the device size and pen hole size. If you are requesting this device, please indicate which size you believe will work the best for you.
If you're unsure which size is best, there is a printable sizing guide help you choose the right pen ball and pen hole diameter.
Print Settings: (GitHub - Pen Ball)
- 0.2 mm layer height
- 20% infill
- No Supports
Project Link
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License
Attribution
Reviews
Pen Ball
KriJudd60
Maker, Karl, was fantastic! The pen balls are very helpful. Lots more stability when trying to hold the pen. A perfect experience all the way round. Love you all at Makers Making Change! A million thanks!
Pen Ball
LesArnol10
The pen ball helps me write without discomfort. The “maker” Ethan was communicative and I cannot thank him enough!