Annova X75

A 75% Mechanical Keyboard, custom built from scratch.

Features

• 75% Exploded Layout
• Cherry MX Brown Switches
• RMK + Vial Firmware Support (Rust-based firmware with real-time Vial configuration)
• Hot-swappable Sockets
• Minimalist Sleek Design
• Customizable Knob
• Side mount USB-C Port
• 6° Typing Angle
• Sandwich Mount

Build Guide

PCB

The PCB is designed to be compatible with Cherry MX switches and features hot-swappable kalih sockets.

Schematics

PCB (All Layers)

PCB (Front Layer)

PCB (Back Layer)

PCB Render (Front)

PCB Render (Back)

Case

The case is designed to be 3D printed and features a sandwich mount design with a 6° typing angle. The bottom case, top case, plate, and knob are all designed to be printed.

Case Full

Case Top

Plate

Case Bottom

Knob

BOM

Item	Quantity	Cost (USD)*	Purchase Link
1N4148 Diodes	90 Pack	1.52	https://stackskb.com/store/1n4148-through-hole-diode/
Akko Bittersweet Switch	90 Pack	34	https://stackskb.com/store/akko-bittersweet-switch-pack-of-45/
EC11 Rotary Encoder	1	0.43	https://www.flyrobo.in/ec11-rotary-encoder-half-shaft-handle-potentiometer-15mm
Orpheus Pico	1	-	Hack Club
Gateron Hotswap Sockets	90 Pack	11.16	https://stackskb.com/store/gateron-hotswap-sockets/
Durock v2 Stabilizers Set	1	17.98	https://stackskb.com/store/durock-clear-screw-in-stabilizers-v2/?attribute_combination=4%2B1+Set&attribute_spacebar-size=6.25U
Keycap Set	1	22.29	https://curiositycaps.in/products/apollo-inspired-quality-cherry-doubleshot-pbt-keycaps?variant=51076299850009
Socket Head M3x12 Screws	3	0.3	https://onlyscrews.in/products/hex-allen-socket-head-m3-x-12-screw-pack-of-20
Socket Head M3x25 Screws	3	0.3	https://onlyscrews.in/products/m3-x-25mm-hex-allen-socket-head-ss-304-screw
M3 X 4mm Brass Threaded Inserts	6	0.3	https://onlyscrews.in/products/m4-x-4mm-brass-threaded-inserts
Bottom Case, Top Case, Plate, Knob	1	-	(3D Printed)
Bottom Rubber Feet	4	2.13	https://www.amazon.in/Miramar-Adhesive-Non-Slip-Furniture-Hemispherical/dp/B0BLN4TCPT
PCB	1	58.2	https://pcbpower.com

for detailed bom check out BOM.csv

Cost is as of 28/12/2025

Author

Arnav Kumar

License

This project is licensed under the AGPL-3.0 License.