Front & Rear Covers for BlinkenArea RetroBlink Kit
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Two-part front cover for use with a diffusor for the RetroBlink kit. Also a simple rear cover to protect the PCB.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Part Description
Front and rear covers for the RetroBlink kit.
Front Cover
The main part consists of the light wells for each LED and bosses to screw to the PCB. It should be printed with white filament to reflect and diffuse the light inside the light wells.
Front Lid
The lid holds down the diffusor sheet and provides a border between the individual LED windows. It should be printed with black filament for best contrast and visual effect.
Rear Cover (Tray)
This is an optional cover for the solder side of the PCB, to protect it from being shorted when placed on top of metal objects. It can be printed in any colour you like.
Diffusor Sheet
The diffusor sheet is simply cut to size and put on top of the main cover before the lid is clipped on. Any material from a simple sheet of paper to a professional diffusor sheet can be used. I had good results with a #225 "Neutral Density Frost" stage lighting filter (also called "gel"), made by Lee Filters and Rosco (and probably others).
Printing
The front cover & lid are printed upside-down (the STL files are already correctly oriented). Recommended settings: 0.2mm layer height, 0.4mm nozzle, no supports.
Mounting
The front cover & rear cover parts are mounted using 4 countersunk screws (plastic or sheet metal screws recommended, M3 machine screws can be used in a pinch) to the 4 mounting holes in the PCB. If the rear cover is not used, pan or cheese head screws should be used instead of countersunk.
The diffusor sheet is placed on top of the front cover and held in place by the lid, which simply clips onto the front cover.