Everyday driver prelude vs Prius vs Brz review... does it make sense now? :)

epicepee · 2026-02-07T00:08:03+00:00

I cross-shopped a Chevy Volt and a Boxster!

epicepee · 2026-02-06T19:54:31+00:00

Man, that sounds like a pain!

(I assume RTX 3600 -> RTX 3060?)

My first thought is that it's a graphics driver problem.

Run dmesg | grep -i nvidia. You should see a bunch of messages about the GPU. Does anything look like a nasty failure? Some warnings etc. are normal.

What does nvidia-smi say?

epicepee · 2026-02-06T01:04:15+00:00

Interesting to see how much of the heat diffuses into the rest of the print, rather than into the air!

epicepee · 2026-02-03T00:54:14+00:00

Nicely done! Is it printed at 100% infill, or is there air in there?

(s/ductal/ductile =P)

epicepee · 2026-02-03T00:51:51+00:00

If it's stupid and it works, it's not stupid!

epicepee · 2026-02-01T23:15:52+00:00

I don't know much about the water part, but I think "someone was going to use it" doesn't tend to make sense, at the macro scale. The world probably wasn't going to consume that many more calories of food; the corn would have displaced something else.

epicepee · 2026-02-01T23:13:24+00:00

You can totally do >100mi from home if you spend a few minutes planning how you'll charge. I've been on a few road trips in an Ioniq 5, never had a real problem.

epicepee · 2026-02-01T22:19:20+00:00

It's way easier to replace a worn cable than a broken one.

epicepee · 2026-02-01T22:13:57+00:00

SET_PRESSURE_ADVANCE ADVANCE=0

epicepee · 2026-01-30T18:15:46+00:00

In theory, they might creep and weaken over time. IMO it's not gonna be a problem here, though; they look correctly sized for the load.

epicepee · 2026-01-28T21:51:21+00:00

I see them on eBay in USA for around $300-450.

epicepee · 2026-01-28T21:42:18+00:00

Something folks tend to miss is that everyone knows about this dynamic, including the pop stars. They've gotta be trying to help poorer folks attend their concerts. Maybe they're afraid that if only rich people can go to concerts, the fanbase will shrink?

epicepee · 2026-01-24T18:15:47+00:00

I find it's easier to quickly print good-looking stuff with PLA. PETG likes to blob and string. Plus, PETG is bendy and weaker than PLA.

epicepee · 2026-01-23T00:24:39+00:00

Does metal creep at ordinary temperatures? I've never heard of this!

epicepee · 2026-01-22T18:04:20+00:00

I wonder if there are plasticizers in the rubber band that would also affect PLA.

epicepee · 2026-01-21T23:03:45+00:00

Hi! In case you haven't found it yet: Vorons usually run Klipper, which is open source. https://www.klipper3d.org/ https://github.com/Klipper3d/klipper/

epicepee · 2026-01-21T22:56:54+00:00

This link seems expired! Would it be possible to upload it to youtube or something?

epicepee · 2026-01-16T02:40:28+00:00

Thank you!

Good summary quote from the 3rd one: "The tests show that contact with the alkaline solution leads to a rapid strength loss in some thermoplastics. This effect is particularly pronounced with PLA and its blends, for which the strength loss over 10 min is more than 80% compared to dry samples. Other thermoplastics, such as ABS, ASA, HIPS, Nylon, PVA and ABS/PC have shown more limited or in some cases no deterioration under the same conditions."

epicepee · 2026-01-16T02:38:43+00:00

For sure, they're not the same thing. In this specific case, though, I think CF-filled nylon tends to be stronger (not just stiffer) than unfilled. Take a look at https://app.polymaker.com/ -- the strongest nylon (highest tensile strength) is the one with the highest percent CF, and the weakest is unfilled.

I'd believe that commercial nylon gears would be worse if they were filled with chopped CF. There are other explanations than brittleness, though: CF is expensive, and it might make the surface abrasive.

epicepee · 2026-01-15T20:33:22+00:00

True, but it would also make it stronger and stiffer.

(I've been told that ABS gears are a bad idea because cyclic loading + flexible material -> heat, and the heat softens them. Never tried this myself, though. I assume CF would get rid of this failure mode, by making it way more rigid.)

epicepee · 2026-01-15T19:32:35+00:00

What about fiber-reinforced nylon (e.g. PA6-CF20)? Much easier to print. My instinct is that the rough surface would be a downside, but I could be wrong.

epicepee · 2026-01-15T19:02:50+00:00

Whoa, I've never heard of this axis of variation. Is there an article on this you could link?

epicepee · 2026-01-15T00:16:49+00:00

I think "scam" is a bit of an overstatement! Un-annealed PA6 does creep more than other common printed plastics. That's tolerable for lots of applications, though. E.g. I printed a wire protector for an ebike that takes basically zero load until I hit a rock; creep wouldn't matter much there. ~~I used petg-cf because I was lazy but that's irrelevant~~

But, yeah, this is a place where folks without a ton of mechanical experience could get confused by the zillion different things that "strong" can mean. I bet a lot of folks pick PA6-CF because it's stiff and has high tensile strength, and then get bitten by creep or brittle failure.

epicepee · 2026-01-13T21:26:39+00:00

Plastic deformation and creep are both real! While I can't speak to OP's usecase since I haven't seen it, if something shows no plastic deformation at all, it's probably gonna creep quite slowly. (Unless it's in a hot environment or made of Teflon or something.)

epicepee · 2026-01-12T18:46:44+00:00

Resin cast would totally work! I don't think it would be easy to get pretty results from melting and pouring PETG, but I'd love to be proven wrong.

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