Another interesting related project could be to turn it into a stencil cutter for graffiti art. The force is probably not as tightly controlled through a feedback loop as the pen speed and is probably created by a simple duty cycle from the microprocessor, not by monitoring the actual force. I’m still enjoying just playing with it enough for the moment, so I haven’t bothered to dig into its innards. Chapter three is the Serial connection tutorial. Force probably has a meaningful range of 1—8 and caps after that.

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Contact Commit a9a at Sun Nov 11 Until I decided to read hpp thread that started it all once again and read your comment about the USCutter, this thing is exactly the right price and seems to actually use HP-GL, awesome, my search continues.

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In other words, it’ll draw a line fromtoTry using it, and just “plot to the correct plotter”. Dis Claimer The FTC sez I’m supposed to tell you who’s slipping me baksheesh for all the glowing reviews and testimonials you’ll find herein [cough]. We have had ‘first contact’ but we are wrestling with – what we think is happening – the plot file being corrupted.

I have the A dip switches on linix back panel set to: I have gotten around nearly all the command headaches by using the hpgl-distiller, but I still like to review the files using a text editor before sending them to the plotter.


Getting a HP 7550A plotter to work under Linux

However it does have a small active tech community that was able to reverse engineer the protocol and created an Inkscape plugin. Osmium 10 months ago Big fan btw: I’m thinking your ACad files are meant for a printer or late model raster plotter, and you need to work into getting those files into a forum acceptable to your plotter.

I will approve your first comment before it appears, so expect some delay. Selected ‘All Programs’ 3. I wasn’t suggesting buying a modern plotter, I was suggesting using a printing service as modern large format printers are expensive.

Although I do get a cut of the ad revenue, this is notbased on current evidence, a get-rich-quick scheme. If it’d been more reliable surprise: So I came across a HP A plotter.

Here’s a short video of it in action: I don’t have first-hand experience with the stepper-driven ones.

I have it hooked up to my MacBook Pro via serial cable and a Keyspan adapter. Force in the range of liunx to 8, and speed in the range of 10 to 80 in steps of five.

HP A Plotter: Chiplotle Supershape | The Smell of Molten Projects in the Morning

Same memory, but from the local computer swap events in SoCal. Depending on your plotter you might have some dip switches on the back near the port or a setting in the menu on the front panel.

I actually bought all this crap I get exactly bupkis from anybody The Baksheesh tag marks the first post involving anything that might look like a freebie. Or fire the Google with site: Try potrace on Linux, and for a GUI ink trace can do this also. What type of cable should we purchase – we only have USB ports?


I never got in trouble in High School so I didn’t need it to get out of trouble. A large enough torque resisting the rotor’s rotation can cause the rotor to skip steps, but this doesn’t influence the energizing of coils in the stator so the machine has no idea that anything has gone wrong. You can follow any responses to this entry through RSS 2. Though there’s a lot to be said for the old HP plotters, if eBay is any indication, there’s a very thin supply and any uptick in interest is going to cause them to dry up and prices to increase.

The a does cough over the unrecognized commands, sending out a 74775a not recognized” warning. I was wondering if you might have lnux intel on how to adjust the dip switches on the plotter? HP will sell you a proper connector cable, but the easiest and probably cheapest way to get one is to make one yourself. Love watching that print. The ‘perfection’ of the drawing blew my mind and, as the author points out, does have a unique character.