Symbolics/Keymacs-inspired JJ40 case

Overbuilt case and plate for KPrepublic JJ40 PCB
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updated June 29, 2024

Description

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This is a Symbolics-inspired case for the first generation of the KPrepublic JJ40 PCB.

Printed in 9 pieces, it should fit most printers. Zero tolerance, so should be mergeable. That said, do let me know if you need 1-piece parts.

Parts list:
* 11x M3 flat-head bolts 
* 11x M3 threaded inserts of about 5mm in height

My keyboard was printed in PETG, and has some artifacts due to incorrect print settings and an ambitious model. This model was improved to prevent cracks on thin parts. 

All parts should be printed upside-down. The bottom lid requires supports (gyroid, 50% worked fine for me). 100% concentric infill (not mandatory, but makes for a relatively fast print and nice heft).

The rubber around the mini-Usb plug may need to be trimmed. Hand protection and a sharp blade are advised.

Please enjoy.

P.S.: I would be very grateful if you could support our country by visiting https://u24.gov.ua/ and donating few bucks, if you have the means. Thank you very much.

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