The Thumb you’ve always wanted.
We took the best sensor and switches available and packaged them into an incredibly ergonomic case. And it’s made just for you, the Thumb-ball enthusiast.
All Thumb. All day.
Elegant, ergonomic shape
The Thumb has a rich heritage of ergonomics mixed with a modern flair. It provides a trackball experience that’s both familiar and excitingly new.
Customizable firmware
The Thumb ships with QMK and VIA compatibility out of the box, giving you the most customizable thumb trackball experience available. You can truly make the Thumb your very own.
High-end parts
No cheap shit. A PMW-3360 sensor and Omron D2LS-21 switches ensure that your thumb trackball experience is as high-quality as it gets.
Open-source design
The Thumb is fully open-source, with all design files fully and freely available. Additionally, detailed documentation for assembly, modifications, and maintenance is available, including helpful photos and diagrams.
A Few Words About the Ploopy Thumb
“I’m very happy with this unit, and it’s going to be my main trackball for the foreseeable future”
u/replicaJunction (Reddit)
“It’s very nice in the hand. Button layout is good. Ball feel is really nice.”
u/bomtarnes (Reddit)
“I just got my order today. I’m using it now. I fucking love what you’re doing.”
u/cheesegraterpussy (Reddit)
“Thank you thank you thank you thank you thank you for adding a 6th button”
U/IBNobody (Reddit)
“I’ve purchased classic and mini, and will be purchasing 2 of this one”
u/jromankvcc (Reddit)
“It’s become my daily-driver at home and I may order a second for work”
r/Aidenn0 (Reddit)
“After a couple weeks I love it. I’m sold and I’m considering buying another for my office so I don’t have to carry it back and forth.”
u/le_bravery (Reddit)
“yeeeeeeeeesss!!!”
u/lack_of_a_daisical (Reddit)
“Want”
u/spicydingo (Reddit)
“can’t wait to buy this!”
u/Himiko_the_sun_queen (Reddit)
“I am eagerly awaiting the finished product to obtain one”
u/L31FY (Reddit)
“I can’t wait!!”
u/Lenbok (Reddit)
“Oh, wow. This beauty is looking exactly like what I want in a thumbball”
u/NyoroEevee (Reddit)
“Need, want, must have this”
u/muthax2001 (Reddit)
“Oooooo now I am excited, always been interested in ploopy but way prefer a thumb ball”
u/blueberrybeast (Reddit)
“Quite looking forward to this”
u/po2gdHaeKaYk (Reddit)
“Oh take my money… Been waiting for this for a long time..”
u/rdjack21 (Reddit)
“So looking forward to getting my hands on one of these”
u/musicmoth (Reddit)
Our Complete Thumb Collection
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Thumb Trackball (Full Kit)$139.99 CAD – $154.99 CAD -
Thumb Trackball (Fully Assembled)$209.99 CAD – $224.99 CAD -
Thumb Trackball Maintenance Kit$19.99 CAD
We’re on Discord
Join the conversation. Get early access to product updates and releases. Get new ideas and code from other users like you. And join Office Hours with the designers.
And on Reddit
Join the community. See the latest builds and colour runs. Learn about mods that extend the functionality of your devices. And weigh in on future product features.