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Randy Day[_2_] Randy Day[_2_] is offline
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Default Key contact restoration

In article , says...

[snip]

I can't imagine you can manufacture new keys at a repair price the
customer could tolerate.


There's a guy who shows up at local ham radio swapmeets and sells
radio attachment gizmos.
He has a 3D printer and claims to be willing and able to make custom gizmos.
I never asked the price.
All his samples were rigid.
Unknown whether he could make the bottom section springy enough
to effect a pushbutton spring.


One of the guys at the makerspace brought
in some NinjaFlex 3D filament. It is quite
flexible, and a test cube was quite spongy.
I have no data on how durable it would be
in the OP's application, though.

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