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https://github.com/limitium/limitium-datcyl-manuform

Usable dactyl manuform with integrated hand rest
https://github.com/limitium/limitium-datcyl-manuform

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Usable dactyl manuform with integrated hand rest

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README

          

# Limitium' dactyl manuform
Default is great, however I didn't find a way to use it without hand rests.

This build solves the problem of missing hand rests.

![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822_8.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822_9.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822_5.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822_4.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220822_10.jpg)

## Table of contents
- [Limitium' dactyl manuform](#limitium-dactyl-manuform)
- [Table of contents](#table-of-contents)
- [Build](#build)
- [BOM](#bom)
- [Body](#body)
- [Handrest](#handrest)
- [Promicro holder](#promicro-holder)
- [Keycaps](#keycaps)
- [ASA profile](#asa-profile)
- [Carbon Retro Keycap Set from Akko](#carbon-retro-keycap-set-from-akko)
- [Custom KeyV2](#custom-keyv2)
- [Wiring](#wiring)
- [Firmware](#firmware)

# Build

## BOM
* ANYCUBIC 4Max Pro 2.0 FDM 3D Printer https://www.aliexpress.com/item/3256801441789044.html 186$
* ANYCUBIC Mono 4k UV Resin Printer https://www.aliexpress.com/item/3256802616795467.html 181$
* AKKO Carbon Retro keycaps AKKO Carbon Retro https://www.aliexpress.com/item/3256803365319134.html 66$
* 74 cherry mx like switches https://www.aliexpress.com/item/3256801888735506.html 48$
* 74 1N4148 diods https://www.aliexpress.com/item/2251832635934304.html 1$
* 0.3 Brass copper wire https://www.aliexpress.com/item/2251832673616354.html 1.4$
* 2 usb-c promicro controller https://www.aliexpress.com/item/3256801435571628.html 15$
* 20 M3 3mm length self tapping insert https://www.aliexpress.com/item/2251832821826942.html 1.5$
* 20 M3 flat hex screws https://www.aliexpress.com/item/2255799867108667.html 2$
* 20 silicone pads https://www.aliexpress.com/item/3256802432366448.html 3$
* 2 XH2.54 6p 90degree connector https://www.aliexpress.com/item/2251832636946873.html 2$
* 2 XH2.54 7p 90degree connector https://www.aliexpress.com/item/2251832636946873.html 2$
* 2 XH2.54 6p single head cable https://www.aliexpress.com/item/3256801288158320.html 2$
* 2 XH2.54 7p single head cable https://www.aliexpress.com/item/3256801288158320.html 2$
* 2 TRRS sockets https://www.aliexpress.com/item/2251832834540787.html 1.4$
* TRRS cable https://www.aliexpress.com/item/3256801400545299.html 2.4$
* 2 heart-shaped wrist rest https://www.aliexpress.com/item/3256801631342023.html 11$
* eSun 0.5 yellow washable resin https://www.aliexpress.com/item/3256802101772974.html 19$
* Sunlu black abs https://www.aliexpress.com/item/2255801034999072.html 18$

## Body
Different body types and modifications were tried, but ended up with a carbonfet fork of Dactyl manuform with a little thumb cluster tweaking https://github.com/limitium/dactyl-manuform

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211014.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211106.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211109.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211111.jpg)

### Handrest
Integrated plate is made from a dactyl manuform back plate and a hand rest model

![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220511.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220511_2.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220512.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220513.jpg)
![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/20220517.jpg)

### Promicro holder

The last type-c Promicro controller is slightly longer, so a new version of the holder is required.

New version is a glue-less click-in holder for TRRS jack and type-c Promicro

![limitium dactyl manuform](https://raw.githubusercontent.com/limitium/limitium-datcyl-manuform/main/gallery/promicro_holder.png)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220517_2.jpg)

## Keycaps

Dactyl manufrom was designed for a SA like profile for additional curvature. Any profile from the SA family can be taken.

### ASA profile

SA profile is too tall for my taste, so switched to ASA.

#### Carbon Retro Keycap Set from Akko
It makes no sense to buy the whole set if a resin printer is available.

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211008.jpg)

#### Custom KeyV2
The missing keycaps are printed on a resin printer and modeled via https://github.com/rsheldiii/KeyV2 project, with https://www.ffonts.net/Gorton-Digital-Regular.font font for chars and https://github.com/dakotafelder/open-gorton font for specials keys.

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220429.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220501.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220519_2.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220123.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220428_2.jpg)

For the thumb cluster g20 low profile was used.
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/thumb_model.png)

## Wiring
Default QMK split wiring https://docs.qmk.fm/#/feature_split_keyboard with diods and naked wires. The rows and columns are connected to a Promicro controller with XH2.54 connectors

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/wiring.jpg)

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211112_3.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211112_4.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211112_5.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211112_6.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211113_2.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211113_3.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211113.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211121_4.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20211203_3.jpg)

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220507.jpg)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220518.jpg)

## Firmware
QMK firmware for split keyboard

with a custom keyboard configuration and layout https://github.com/limitium/qmk_firmware/tree/master/keyboards/handwired/dactyl_lim_5x7

Handedness set by EEPROM

![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/layout_firmware.png)
![limitium dactyl manuform](https://github.com/limitium/limitium-datcyl-manuform/raw/main/gallery/20220519.jpg)

Layout is really basic one and far from an ideal. It's still under construction.