Macintosh II(fx) TFX Power Supply Adapter
thingiverse
This is a modified version of the front part of the TFX PSU adapter for Macintosh II (fx/x) as found on https://www.instructables.com/Macintosh-IIfx-Modern-Power-Supply-Replacement/ - My TFX PSU is 175mm long, but the parts in the blog post assume it would be 155mm long.
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