Working on the next iteration of his Dactyl,
u/spacecadetAlsoWizard used a sodalite sphere as trackball. KBD.news
Published May 20, 2022
There are many details of
spacecadetAlsoWizard's Dactyl project which stand out but one of them is arguably the trackball:
I just googled 45mm spheres until I find one I liked. This one is from
The gloss finish was a problem for the sensor so he hit it with some 220 grit sandpaper and "it has actually been great to use so far".
More photos in the
Although sold out, the
listing is still there on the site so we know this is a sodalite sphere.
45mm sodalite sphere from stonesoftransformation.net
According to Wikipedia,
sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone (although massive sodalite samples are opaque, crystals are usually transparent to translucent).
In case, while reading this, you were playing with the idea of making cool spheres like this one at home, here is the process and most importantly the machines you have to put next to your 3D printer:
Published on Fri 20th May 2022. Featured in
KBD #79 ( source).
Source files of the Avocado 55 trackball with lots of mechanical switches shared by J-Tech Creations.
with lots of features.
added a joystick to his vertical
is a monoblock angled mechanical keyboard with a beefy 34mm trackball, rotary encoder, and OLED display.
Dactyl / trackball iteration
features integrated wrist rests (
is an ortho board with integrated trackball – released by
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