Ploopy
Thumb Trackball (Full Kit)
Best customizable input for ergonomic enthusiasts.
The Ploopy Thumb Trackball is a unique, open-source trackball mouse that you build yourself. It features a high-end PMW-3360 optical sensor for precise tracking and runs QMK firmware, allowing for extensive customization via VIA. This kit includes all the 3D-printed parts, electronics, and hardware needed for assembly, though it requires soldering skills and tools. The trackball is known for its noticeable roller bearing noise during operation. Optional wedges are available to adjust the angle for enhanced comfort.
$114.99
Owner Satisfaction
4.5
/ 5
Category Rank
318
/ 1763
#318 in Mice & Trackballs
Price vs Category Average
+69%
Above average
Weight
0.49
/ kg
Who it's for
- Users seeking to minimize wrist strain and improve long-term comfort
- Hobbyists and power users desiring complete control over their input device
- Environmentally conscious users and those valuing long-term product maintainability
Who should skip it
- Consumers preferring ready-to-use devices without any assembly steps
- First-time trackball users expecting immediate, seamless navigation
- Individuals with specific hand conditions or those sensitive to thumb-based input
Key Specs
Weight
0.49 kg
Dimensions
18 × 11 × 9.6 cm
Sensor
PMW-3360
Ball Size
1.5 inch
Firmware
QMK v0.14.17
Connectivity
Wired USB-C
Assembly Required
Yes
Tools Required
Phillips head screwdriver, soldering iron, solder
Features
- Open-source, customizable design
- High-end PMW-3360 tracking sensor
- QMK and VIA support for button customization
- DIY kit with all necessary parts included
- Optional 20-degree wedge for ergonomic adjustment
- Includes scroll wheel for enhanced navigation
What customers say
Customers consistently praise the exceptional build quality and the high degree of customization offered by this trackball. Many highlight the satisfying feel of the components and the ability to tailor the device to individual ergonomic preferences. While the initial assembly might require some effort, users find the resulting comfort and precision to be well worth the investment. The open source nature and community support also contribute positively to the overall experience, fostering a sense of ownership and long term satisfaction.
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