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UMBRA : 60% by IV Works

by IV

geekhackpolycarbonateenriched

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Description

U M B R A

State of total eclipse.

A study of shadow and its effects on the human experience.

Chapter I is completed. Chapter II is currently in production. For up to date info please see Discord.

Index

I Production
II Renders
III Lookbook
IV Specs
V Design
VI Status
VII Notes
VIII Updates

I Production

CHAPTER I : MOONBREAKER

PROTO v2 SOUND TEST

PROTO v2 PHOTOS

RARE EMBLEM

One unit per Chapter will receive a real gold plated emblem.

PROTO v1 PHOTOS

HOT SWAP PCB

SOLDER PCB

HARD CASE

II Renders

PROTO v2

PROTO v1

III Lookbook

For best viewing please see this PDF.

IV Specs

CHASSIS

- Layout: 60 WK / WKL / HHKB
- Angle: 8°
- Front height: 18mm / EKH 22.25mm
- Top: Aluminum A6063
- Bottom: Aluminum A6063 / Polycarbonate
- Weight: Stainless steel
- Mass: 1429 g / 3.15 lbs

MOUNT

- Mount: Tadpole / Gummy / Top
- Plate: 1.5mm / Leaf-spring
- Material: Aluminum A5052

PCB

- Material: 1.6mm FR4
- Type: Solder / Hot swap / No flex cuts
- Connection: Type-C Fly DB
- Lighting: LED array underglow
- Spacebars: 7u / 3u 1u 3u
- Options: Stepped caps / split right shift / split backspace / rotary
- Software: QMK / VIA
- Thanks to 4pplet for providing open source resources for this project.

V Design

FEATURES

- Eclipse lip lowers front height even more and adds comfort for thumbs.
- Seamless side with minimal thickness bezels. Deep edge chamfer enhances the appearance without being too thin and affecting sound.
- Multi-directional alignment sections for easy assembly.
- Magnetic, swappable emblems are enamel filled and hand-finished.
- TAP authentication microchip. Ownership can be registered and transferred.

PERFORMANCE

- Integrated 8 point silicone force-break to prevent unwanted resonance.
- Maximized internal mass while maintaining plate flex and low front height. Provides sound diffusion helping isolate second reflections.
- Optimized plate mounts for unformal flex at home row. No mounts under the spacebar for best typing feel.
- Distance between the bottom of switches to case is equal across the board.
- Sound travels uninterrupted between PCB and bottom aluminum case. No weights, daughter board, foam, or screws are exposed to the bottom of PCB. Producing a uniform and bright sound-signature. JST cable is routed from the back of the chassis.

ASSEMBLY

- Convenient mountable magnetic weight. Can be removed while fully assembled with the included KEY tool.
- Cable Shield allows the use of a longer JST cable to make install easier and prevents wire damage. Cut from polycarbonate so you can see if the cable is pinched.
- Pressure fitted feet that do not need to be removed for disassembly.
- Tadpoles and gummy o-ring can be customized to different harnesses.
- T10 Magnetic hardware for the entire build, can be built with the single included Torx bit.

VI Status

Chapter I is completed. Chapter II is currently in production. For up to date info please see Discord.

VII Notes

Thank you to all that participated in the weekly vote to make this project the best it can be.