This s a remix of the ZX Mechtrum case from Lee Smith. It uses Don superfo's ZX Spectrum mechanical keyboard PCB.
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updated April 12, 2023

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This design is a remix from Lee Smith's ZX Mechtrum case. Uploaded my remix here with his permission.

https://leesmithsworkshop.co.uk/products/zx-mechtrum-3d-files-digital-download

 

It is a case for the ZX81Plus38 with cherry-type switches mechanical keyboard.
https://revspace.nl/ZX81plus38_simple_to_build_ZX-81_clone

https://github.com/mahjongg2/ZX81plus38

Please note that thi enclosure is not compatible with the original ZX81 board. It can be made compatible, but significant redesign would be required,

 

I used the following key switches:

https://es.aliexpress.com/item/4001111706889.html?spm=a2g0o.order_list.order_list_main.41.3a0a194dvX4MZ3&gatewayAdapt=glo2esp

The Brown ones.

 

These are they keycaps:

https://es.aliexpress.com/item/1005003047698548.html?spm=a2g0o.order_list.order_list_main.35.3a0a194dvX4MZ3&gatewayAdapt=glo2esp

 

I made the key decals cutting one of these TS1000 Overlays from RWAP Software:
https://www.sellmyretro.com/offer/details/61441

 

You can order the keyboard PCB here:

https://www.pcbway.com/project/shareproject/ZX_Spectrum_Keyboard.html

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The author remixed this model.

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