Ancestors

Written by Tube❄️Time on 2024-11-05 at 21:19

playing around with Inkscape and my HP pen plotter. it's not really going that well; Inkscape has severe issues with locating the origin, scaling factors, and can't handle things like crosshatching. these are problems that were solved 40 years ago.

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Written by Tube❄️Time on 2024-11-05 at 21:21

and yes i'm aware of the crosshatch plugin for inkscape, but it hasn't been ported to 1.4 yet.

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Written by Tube❄️Time on 2024-11-05 at 21:46

OK so i downloaded 1.3 and installed the crosshatch plugin from the plugin manager. this seems normal and expected.

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Written by Tube❄️Time on 2024-11-05 at 22:00

i removed that "plugin" and manually installed the axidraw extensions. why axidraw? it has a hatch plugin as well! problem: this is what it does.

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Written by Tube❄️Time on 2024-11-05 at 22:03

you have to turn off "connect nearby ends" because it doesn't do right angle corners for some reason, only smooth swoopy corners.

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Written by Tube❄️Time on 2024-11-05 at 22:13

holy crap this plotter is lightning fast

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Written by Tube❄️Time on 2024-11-05 at 22:20

it's an HP 7550, probably the fastest pen plotter ever made. 🤯 This is 50cm/sec. it can go to 60cm/sec with a ballpoint rather than a fiber tip pen.

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Written by vxo on 2024-11-05 at 22:23

@tubetime WHOA. I've never seen one that fast before - then again my only pen plotter was the tiny TRS-80 one that took like 6" wide roll paper

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Written by Alaric Snell-Pym on 2024-11-17 at 20:08

@vxo @tubetime was that the one with four pens in a little revolver magazine in the left? I had one of those!

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Written by vxo on 2024-11-17 at 21:12

@kitten_tech @tubetime it occurs to me that a machine with similar capabilities would not be difficult to fabricate!

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Written by Alaric Snell-Pym on 2024-11-17 at 23:04

@vxo @tubetime yeah, that would be a fun project!

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Written by vxo on 2024-11-17 at 23:41

@kitten_tech @tubetime yeah. only semi-exotic parts I can think of would be the rubber rollers, and you might be able to get away with printable TPU or some kind of off the shelf rollers... maybe even just metal shaft with grippy elastomeric tubing slipped over it.

that is assuming you're building a plotter that roll feeds paper, a flat platen type with X-Y positioner would basically be achievable with some extruded frame and linear guides or those doinky rollers 3d printers use

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Toot

Written by vxo on 2024-11-17 at 23:42

@kitten_tech @tubetime basically the guts of a junked 3d printer or two should get you like 90% of the way there

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