Synaptics Coral Board (SL) Enclosure
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A two-part, fully 3D-printable enclosure for the Synaptics Coral Board (SL)
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- Printables
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- Creative Commons — Attribution — Share Alike
Outside size is 78 × 64 × 18.4 mm.
All connectors stay accessible: USB-A, USB-C, both JST-SH sockets and microSD.
Removable flush covers sit over the GPIO and mikroBUS headers.
The two board buttons work through flexible tabs in the front wall.
Vents sit above and below the SoC, and a light slot sits over the status LEDs.
Access
Front: USB-A, JST-SH 4-pin (Qwiic), USB-C, 2 buttons
Left: microSD
Right: JST-SH 7-pin
Top: GPIO and mikroBUS under removable covers, LED light slot, vents
Bottom: vents, 2 knock-out slots for the bottom FPC connector, recesses for 8 mm rubber feet
Screws
Use 4× M3 × 12 mm countersunk hex-socket screws, DIN 7991. They pass through the base and the PCB, then cut their own thread into the lid pillars. Thread-forming screws for plastics, such as EJOT PT K30 × 12, hold best.
Tighten by hand only. Heat-set inserts are not suitable, because the pillar walls are too thin. Optionally, add 4 self-adhesive rubber feet, Ø 8 mm.
Print settings
Print in PETG with a 0.4 mm nozzle, 0.2 mm layers and no supports. PLA softens near 55 °C, so it is not recommended. For the lid, it is possible that you will need to use supports or reduce the print speed.
The STL files are already oriented: lid top-down, base and covers flat side down.