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Bleh. Now I have to think about sql database schema.

I don't wanna!

Grumble, this whole 'having to eat' thing is a pain.

It is easy to ignore the principle of not duplicating data unnecessarily until you end up with a 42 gig output from an input that was about 200mb.

So now I guess it is time to set up mysql.

My laser cutter can scale things, so I am playing with that.

And you know, testing to make sure that cuts are repeatable and everything.

I feel like I should apologise o the very concept of coding, and to everyone who helped me learn to code, for the quality of what I am currently writing.

So I am sorry.

The difference between using this backlash suppression stuff I made and not using it is surprising. It isn't completely perfect, but now unless you know exactly what to look for the effects of backlash aren't noticeable.

Next we have to test cutting precision parts and make sure that they work too. Anything with 90 degree turns should work just fine.

And we may switch from a belt to a worm screw for the x axis which should greatly reduce the amount of backlash.

I spent all day first figuring out that the problem with the laser cutter was backlash and not some weird rounding in my code, then the rest trying to implement some compensation for it. I finally succeeded but my brain was melted by the first part so it took way too long to implement and I still need to add some some smoothing so that the compensation doesn't add weird jumps into lines.

I used the laser cutter. It took a long time but then I realised that I hadn't cleaned the lens, so it should hopefully take much less time in the future.

For scale, the pieces of wood it is cut out of is 3mm think and A4 sized.

LASER CUTTER!!!

I have had questions from someone in China asking about how to use Bob and now someone from Russia.

It isn't exactly popular, but it is getting a much wider audience than I expected.

I have no idea how to set up any sort of classes. At the moment I don't have a visa that lets me work, but I would still be interested in teaching a data analysis for non-tech people courses and see how it goes.

I have no idea how to set up something like that when I am not connected to a university here.

I have been listening to @powderpaint and @envgen on band camp all morning while working. I am not sure what took me so long to do this

I was listening to some @powderpaint stuff on band camp and Javert started wagging her tail in time to the music.

Because she is adorable.

powderpaint presents FOR A MOMENT

powderpaint.bandcamp.com/track

hey why not put us on all your spotify and itunes playlists cos it's on there too

(eye contact in cover art below)

It turns out that when your x-axis is belt driven and a meter long, you will have problems with backlash unless you are very very careful.

LASER CUTTER!!

The laser cutter I designed and built works!

So so very excited about this.

(This is 3mm plywood)

Color me shocked. It appears that the change that would tell someone looking at your account page if they were blocked or not has been reverted.

on the upside I won't have a lack of GitHub notifications for a while.

seriously, this only helps harassers, no one else, and it is entirely at the expense of those who are getting harassed.

This sort of thing is why I keep arguing that mastodon shouldn't get credit for being 'anti-harassment', the lead dev is actively working against it.

And yes, it is specifically @Gargron, the pull request for this was by him.

It is like watching a race to the bottom in terms of being terrible about anti-harassment features.

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Soooo.....

I suspect that @Gargron has just given up on any sort of anti-harassment for mastodon.

The newest release candidate has an update that will let people know they are blocked when they view a profile.

This is fucking basic shit, you don't let harassers know if they are having an effect, or if they are being heard or not. Why the fuck should someone I block get to know I blocked them? It just means they know 1) They had some effect and 2) The need to find a new channel for harassment.

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