Crosses

A modular ergonomic columar staggered keyboard by Good Great Grand Wonderful LLC.

Made with a precise trackball sensor. Eliminating the need to have another pointing device, everything is within reach.

Available at http://ergokeyboards.com

Features

• Matrix with a thumb cluster that works better with our opposable thumbs!
• Main matrix layouts of: 3x5, 3x6, and 4x6
• Kailh Choc hotswap sockets, so you can explore and find your perfect switch
• Left/Right or dualing trackballs
• Optional OLED screens

Firmware

ZMK: https://github.com/Good-Great-Grand-Wonderful/crosses-zmk

Gerbers

Production ready and prepped with JLCPCB part numbers: Gerbers

BOM

Cases

N = Number of trackballs

Qty	3x5	3x6	4x6	Item	Notes
24	x	x	x	M3 Heat set inserts
16	x	x	x	M3 x 5mm Hex Bolts	+2 for every trackball you delete
2xN	x	x	x	M3 x 12mm Hex Bolts
2xN	x	x	x	M3 x 8mm Hex Bolts
1	x	x	x	Thumb Cluster PCB Panel
4	x	x	x	Hirose FH12-14S 0.5SH 1x14 1MP P0.50mm Horizontal
2	x	x	x	SM06B-SRSS-TB(LF)(SN)
1	x			3x5 Matrix PCB Panel
1		x		3x6 Matrix PCB Panel
1			x	4x6 Matrix PCB Panel
2	x	x	x	150mm 14p 0.5mm pitch FFC cables
1xN	x	x	x	100mm 6p JST SH 1.0 Same direction cables
2x	x	x	x	Thumb Cluster Case (one should be flipped)
2x	x			3x5 Matrix Case (one should be flipped)
2x		x		3x6 Matrix Case (one should be flipped)
2x			x	4x6 Matrix Case (one should be flipped)
36x	x			Kailh Choc Hotswap Sockets
42x		x		Kailh Choc Hotswap Sockets
54x			x	Kailh Choc Hotswap Sockets
36x	x			1N4148 SMD SOD-123 Resistors
42x		x		1N4148 SMD SOD-123 Resistors
54x			x	1N4148 SMD SOD-123 Resistors
2	x	x	x	Trackball Mount	models directory
1xN	x	x	x	Trackball PCB
1xN	x	x	x	PMW3610
1xN	x	x	x	Trackball Carrier Base	models directory
1xN	x	x	x	Trackball Carrier Top	models directory

License