this is a simple Spacemouse macro keyboard, with wrist rest

key are programmable for use with more program like Autodesk Fusion 360, Blender, ecc..

i use arduino pro micro like HID
and 6x6 tactile button for create matrix keyboard

https://youtu.be/KIvErNAAH8s

BOM:

set micro screw M2, M1,5:
arduino pro micro:
https://www.amazon.it/gp/product/B07J2Q3ZD5/ref=as_li_tl?ie=UTF8&tag=tut0b-21&camp=3414&creative=21718&linkCode=as2&creativeASIN=B07J2Q3ZD5&linkId=7a2e1d6d065d56b8e623cc1e9b0de471

tactile button 6x6mm:
https://www.amazon.it/gp/product/B07J2Q3ZD5/ref=as_li_tl?ie=UTF8&tag=tut0b-21&camp=3414&creative=21718&linkCode=as2&creativeASIN=B07J2Q3ZD5&linkId=7a2e1d6d065d56b8e623cc1e9b0de471

3DConnexion Spacemouse wire:
https://www.amazon.it/gp/product/B07J2Q3ZD5/ref=as_li_tl?ie=UTF8&tag=tut0b-21&camp=3414&creative=21718&linkCode=as2&creativeASIN=B07J2Q3ZD5&linkId=7a2e1d6d065d56b8e623cc1e9b0de471

or

3DConnexion Spacemouse wireless:
https://www.amazon.it/gp/product/B07J2Q3ZD5/ref=as_li_tl?ie=UTF8&tag=tut0b-21&camp=3414&creative=21718&linkCode=as2&creativeASIN=B07J2Q3ZD5&linkId=7a2e1d6d065d56b8e623cc1e9b0de471

for detail follow on my Instagram page:
https://www.instagram.com/mztutto3d/