@humulus@mastodon.social
@humulus@mastodon.social avatar

humulus

@humulus@mastodon.social

benign spaghetti cult middle-manager

bird person

tinkerer

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humulus, to random
@humulus@mastodon.social avatar

Dependency graph of a 30MB model.

Slowly zooming out of the dependency graph of a Freecad model.

timonsku, to random
@timonsku@mastodon.social avatar

The pigeon cam is back. A circuit breaker fliped during a thunderstorm while I was traveling, ending the stream.

They laid eggs now!
https://www.twitch.tv/timonsku

humulus,
@humulus@mastodon.social avatar

@timonsku

video/mp4

humulus, to random
@humulus@mastodon.social avatar

Just learned that the word grasshopper survived from Old English gærshoppa (literally "grass-hopper"), but the word for spider, wæfer-ganges (walker-weaver), did not. Too bad.

humulus, to random
@humulus@mastodon.social avatar

@ifixcoinops It's not just fedi.

On a mailing list that's 50%

"(tools | materials | abandoned project) Free to a good home."

and 50% Noob With Question.

Lately, the later drops in with a picture of a computer case or something, asking how to cut one of its flaps off.

Reflexively start rotating a lazy susan of hacksaws in my mind, thinking of a helpful answer that isn't "big scissors" or "teeth."

But then the gadget freaks swarm in with their menu of power tools.

Nah, nope, pass.

MLE_online, to random
@MLE_online@social.afront.org avatar

The National Autobon Society Field Guide to North American Radiator Hoses

humulus,
@humulus@mastodon.social avatar

@MLE_online

image/jpeg
image/jpeg

humulus, to random
@humulus@mastodon.social avatar

Hmmmmm....

humulus,
@humulus@mastodon.social avatar

Hmmmmm....

humulus,
@humulus@mastodon.social avatar

More part.

humulus,
@humulus@mastodon.social avatar

Testing the movement of a four-marker polar plotter. A disk of plastic with four holes for markers to pass through. Marker holders move in/out, and rotate together.

humulus,
@humulus@mastodon.social avatar

capstan drive

image/png

humulus,
@humulus@mastodon.social avatar

now it's just a simple matter of programming

... and wires.

image/png

humulus,
@humulus@mastodon.social avatar

Hope this is enough stroke.

video/mp4

humulus,
@humulus@mastodon.social avatar

Hokay. Things I was worried about being problems are, in fact, problems.

Having a bunch of weight out on the end of the four-bar linkages messes up the kinematics and makes the whole thing wobbly.

The steppers are also not quite powerful enough to lift this fairly heavy creature up the wall.

The next iteration will move the X and Y steppers inboard.

I'll also have to add some gear reduction to the steppers.

humulus,
@humulus@mastodon.social avatar

:catjam:

video/mp4

humulus,
@humulus@mastodon.social avatar

Clock spring from amazon $10.
Clock spring from Harbor Freight tape measure: $2.50.

A sprung reel stolen from $2 tape measure, mounted on top of a 3D printed spur gear, sitting on a bench strewn with bearings.

humulus,
@humulus@mastodon.social avatar

Feeling good about this iteration. Got enough of it drawn that the print queue won't finish until after work.

humulus,
@humulus@mastodon.social avatar

So far, so good. This version might actually work.

The knob in the center adjusts the take up tension. The cable is thinner and the path is free of friction. There's also twice the gear reduction compared to the previous iteration.

A polar plotter, side view, showing the cable feed.

humulus,
@humulus@mastodon.social avatar

he scribblin.

humulus,
@humulus@mastodon.social avatar

hmmmm

Gears driving the reels of a polar plotter.

humulus,
@humulus@mastodon.social avatar

Looking for the gcode to not fall like a stone to the floor after finishing a print.

Polar plotter drawing a coastline in brown sharpie on a sheet of butcher paper taped to the wall.

humulus,
@humulus@mastodon.social avatar

out with floppy arms, in with entomoid mouth parts.

foone, to random
@foone@digipres.club avatar

I still want to design a keyboard with dual numpads. But bigger keyboards are always harder to design, and that's possibly so big that I can't easily make it single-PCB and definitely can't 3D print a case

humulus,
@humulus@mastodon.social avatar

@foone Woah, it's like a Linotype keyboard, but QWERTY.

MLE_online, to random
@MLE_online@social.afront.org avatar

I've gathered up all the things I need to try making natto this weekend

humulus,
@humulus@mastodon.social avatar

@MLE_online slimy bean science box.

humulus, to random
@humulus@mastodon.social avatar

How should we design the indicators?

The U.S. Navy in 1962: These indicators are correct. Do them like this.

humulus, to random
@humulus@mastodon.social avatar

Pinball guy gets the fediverse to clean their room.

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