[jskrablin]

What exactly you think are hazards in 3D printing? And low-voltage electronics? I am honestly curious to know... because I don't treat any of that as hazardous at all.

Woodworking can be hazardous when using power tools... but you can always go with hand tools only and that should be mostly risk free excluding possibility of minor cuts and bruises - but you can get these even when preparing food.

I do a lot of stuff around the house myself (renovation, making/adapting stuff, preparing my own wood for house heating, small electrical repairs, etc) and the only thing I am afraid of is the chainsaw. That thing can do significant damage even slightest mistake when being used, anything else is manageable given the usual precautions (protective gear, doublecheck that electric switches, wires, etc are not hot when working on them, etc...).

[pjc50]

Yeah, I think the best way to phrase it is not "risk free" but "easily mitigatable risks with basic safety precautions and PPE". You just have to be disciplined about the precautions, and then even teenagers can do it safely.

> What exactly you think are hazards in 3D printing? And low-voltage electronics?

Fire (have your dry powder/kitchen fire blanket handy). Minor burns (hot-end, molten plastic, soldering iron, solder itself, hot components or PCBs). Not really more dangerous than cooking - I'd consider leaving a 3D printer unattended but if you leave a deep fat fryer unattended that can go very badly wrong.

Snipping off through-hole leads produces annoying metal fragments; if you're not already wearing glasses, wear eye protection.

[hutzlibu]

"What exactly you think are hazards in 3D printing? And low-voltage electronics?"

Fire and fumes. Even low voltage can start fire or create some toxic fumes if it melts the wrong stuff and when you have a cold and smell little, you might inhale enough to poison yourself, before you notice.

And I am rather afraid of electricity, than the chainsaw. Because when the chainsaw is running, it is obvious it is dangerous. But a broken electronic component with an open circuit can be hard to spot.

[yourapostasy]

> ...the only thing I am afraid of is the chainsaw. That thing can do significant damage even slightest mistake when being used...

After you carefully read the instructions, wear 9-layer wraparound chaps, cut-retardant shirt, forestry helmet, and chainsaw gloves, and you pay attention like as if you are on a gun range, you will have reasonably mitigated the risks. Most accidents happen when people grow complacent and don't take what they are doing seriously; even with all the PPE you can still screw up in a serious way if you aren't careful, deliberate and paying attention. I encourage anyone who is scared of chainsaws to read the literature. Even occasional users can make it a safe activity with some diligence.

[shawabawa3]

> What exactly you think are hazards in 3D printing? And low-voltage electronics? I am honestly curious to know... because I don't treat any of that as hazardous at all.

This is exactly what they are saying though. I wouldn't have expected the cookie dough forge to be particularly dangerous but apparently it is because of nanofines/ultrafines - i don't even know what they are