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160 points Sami_Lehtinen | 1 comments | | HN request time: 0.274s | source
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thrownawaysz ◴[] No.45112875[source]
> I have not yet printed and tested this exact model!

Sadly that sums up the 3D printable scene perfectly. So many times I’v seen someone creating X for Y but they don’t have Y to test it but “it should work”.

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1. alnwlsn ◴[] No.45116226[source]
I have, along with some other ones I created from different fonts. See https://www.youtube.com/watch?v=1kXnsvYfaF4&t=2160s (it was an aside to a longer Selectric project I did; this typeball project came out around the same time so I decided to make a few of them).

Watching this back, it partially works but some of the letters clearly need their positions adjusted, and some of them seem to have trouble imprinting fully on the page. That's besides the fact that the proportional fonts look pretty weird when printed monospaced.

I didn't really go further with this because the resin printed balls didn't hold up very well. A slot near the hole would always break open, and then the ball would spin freely instead of being indexed like it was supposed to. These days I've pretty much abandoned home resin printing entirely since it is extremely messy, and I've never been able to make parts with it that weren't ridiculously brittle, even with the supposedly "strong" or "tough" resins.

I've used commercial resin prints that Shapeways/Xometry/PCBWAY have and they are a lot tougher, so maybe they would work well.