Prism
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Prism
Overview
The Prism is an ergonomic platform-fighter rectangle built around hand positioning rather than strict fidelity to GameCube-controller ergonomics.
Its rotated action clusters and curled-finger resting posture were designed to reduce forearm pronation and ulnar deviation while keeping the thumb close to a five-button action group.
Hardware
Switch Configuration
Stock Switches: Kailh Speed Silver (left/directional side) with 4 mm O-rings; Gateron Clear (right/action side) with 2 mm O-rings.
Compatibility
- Firmware: Pico-Rectangle
- Connection: USB-based wired connection; later revisions added a USB-C combo port
- Notes: MK4 added a Brook board header, so compatibility could vary depending on installed hardware.
History
MK1
The case was constructed from titanium panels. The MK1 featured 19 directional buttons.
MK3
The MK3 was the first Prism with a fully 3D printed enclosure and a custom PCB. The 3D printing opened up color customization options for end users, including front panel logos and inlay logos.
MK4
The MK4 introduced significant hardware improvements:
- A USB-C combo port
- 8 action keys (up from 5)
- A Brook Board header.
MK6
The MK6 is the final production model.