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Re: New Contest? - 12 years ago

Ditto

Re: Thingiverse "New" queue - 12 years ago

Oops sorry Greg. I never used Fortran but can remember Pascal and C and I programmed my microprocessor systems/software engineering project in machine code

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

Cheers I gotta say the more I use this Open Beam the more I like it. I am still building a Mendel Max but it is so clumsy big it makes the OB1 next to it look like a Ferrari next to a tractor. The extrusion doesn't bend or twist or change shape in any way so it is very easy to build a rigid structure that barely needs any sort of triangulation to maintain it's shape. I am also working with some

Re: Thingiverse "New" queue - 12 years ago

I think that is what Cubehero is doing but haven't tried it yet. I had a brief look at how you upload to it and it was nightmarishly geeky so I'll try something simple as a tester. But it looks like it is using Github as the store and just presenting a sane front end for people who don't write their shopping lists in Fortran.

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

Bit more on the new x-ends today, starting with the motor end. The aim is to get the motor mass as central as possible to the x-rails.

Re: Serial_installer under Windows 8? - 12 years ago

Printrboard and Axteeg X3. Both need the USB to serial port emulator. Pronterface must have been written long ago before USB ports were the norm. I probably should be changing to a newer host, any suggestions?

Re: Serial_installer under Windows 8? - 12 years ago

Yes you're right Pronterface itself is OK just can't see the USB port as a valid comms port. The serial_install program is a USB to serial port emulator and that's the bit that won't run. I don't have any Win 8 machines yet so not a problem for me but anyone else trying to run it will have problems.

Re: Thingiverse "New" queue - 12 years ago

Thanks guys I'll have to give it a go in that case. It looks like Cubehero uses github as the repository so I might have to work it out to use that anyway.

Re: Thingiverse "New" queue - 12 years ago

Correct me if I'm wrong but I thought you had to pay to put anything on Guthub? starting at $7 a month? Github would be the obvious alternate site if it got a graphical user makeover but it is such an arse to navigate and find anything on.

Re: Thingiverse's REAL rabbit hole..... - 12 years ago

Thanks for the Cubehero link, Ill be all over that. GrabCad is another one that caught my eye last week with a friendly TOS.

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

Few mods in the pipeline...

Re: any users - 12 years ago

Yes same as this user: Reprap forum Azteeg X3 thread These boards are still very new but worth perservering with so stick with it.

Re: Can't get partial speed from cooling fan - 12 years ago

I have been using a lot of these tiny VGA fans x-carriage fan holder and they only run at 75% or faster so at 50% they are stopped. I just run them flat out

Re: Wiring configure is different for stepper motor with sd82b drivers - 12 years ago

Yes I got it wrong first time too. You can pick the pairs before you connect anything by shorting any two stepper leads together and trying to turn the motor shaft. If it is difficult then you have a pair and the two remaining wires are the other pair, if not difficult then swap one wire with one of the remaining ones. Then to wire it up it is a pair followed by a pair down the connector. If you

Re: christchurch meet and greet - 12 years ago

Any plans for another South Island gathering? There are a few long weekends coming up in the next few months.

Re: Does what I'm looking for exist? [Looking for a 3D Printer] - 12 years ago

Prusa Mendel has to be the best bang for your buck, there are better printers but they cost more. Buy a kit and build it yourself if you can - it will pay off in the long run when you have to calibrate/modify it.

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

Good to see it all working Oatridge and liking that black and silver colour combo. Good work also on the z-switch. Anything that makes it easier to adjust has to be worth doing

Re: PLA Gears VS ABS Gears - 12 years ago

I struggle to see any advantage in using ABS over PLA. The only thing ABS has is higher temperature range but that's about it. PLA smells nice when it's cooking, has a harder surface and is significantly easier to print with - I just clean the bed off with a razor blade and print the next job often not even letting it cool down if it pops off the glass OK. I must be wrong as so many people seem t

Serial_installer under Windows 8? - 12 years ago

There doesn't seem to be a category for Pronterface anywhere here so I guess it's a general question . I have been running Pronterface under Windows 7 and earlier without any problems but today when I tried to run it from a Windows 8 machine it would not allow the usb to serial converter "serial_install.exe" to run. Anyone got a replacement program for this out of date unit?

Re: OB1 Prism - 12 years ago

I like that solution, the uprights stay the same and it fixes the problem with the belt and the extruder motor all in one. If you are able to print now you should make these and fit them to your printer and see if they work. And upload them to Thingiverse as a derivative of my printer as I think they are an improvement. With the extrusion the angles are way less important as the aluminium is natu

Re: Prusa Mendel 3D Printer for sale - 12 years ago

Sold thanks, another mainlander reprapper...

Re: OB1 Prism - 12 years ago

I have been thinking all day about this limitation and have a slight modification I am testing at the moment. The idea is the front two uprights are the problem so I am moving them back to directly under the middle of the two top bars and 90 degrees to the base so side on it looks like the number 4. The upright will not be in the way of anything and it give complete freedom with the belt selectio

Re: OB1 Prism - 12 years ago

I have made a guided roller today that fits over the 608 bearing and works with the existing y-idler tensioner. The 608 is a press fit and I used a plain flat washer on the open side and it seems to be a good solution to the belt wandering problem. Sorry about the colour combination but I had yellow on the printer at the time It's on the bottom of the OB1 page on thingiverse: OB1 Prism

Re: OB1 Prism - 12 years ago

Yes in configuration.h it does do the steps/mm for each but unfortunately it defines "#define GEAR_TEETH 23 // Enter number of teeth on X and Y gears"

Re: OB1 Prism - 12 years ago

I am using just a 608 bearing on the idler side and the printed 23 tooth pulley on the other side. I am a bit annoyed at this limitation as it would have been easy to correct it with the angle of the sides had I known. Maybe version 2. I too have at least 30mm spare above the extruder. As you say, if the drive pulley and idler bearing could be smaller you would get more height. I originally was

Re: Azteeg X3 Controller Pre-Order. Limited time pricing. - 12 years ago

Well you are still right Roy, I bought a dedicated switch mode power supply with 40 amps at 12 volts promised and it works flawlessly now, no coms drop out. These type of power supply give you adjustment of the output voltage so I tweaked it under full load to give me 12 volts and at no load it floats up to about 12.1 volts. The power supply is slim enough to incorperate in the design somewhere s

Re: OB1 Prism - 12 years ago

Yes I had some issues with the y-idler too. I replaced the springs with 4mm machine screws and nuts and have got it right now but you do have to muck about with each side to get the belt to stay central. This part needs a re-think and probably 2 608 bearings will fix it. The overall height thing was a bit of a guess when i was building it but on mine I get 110mm maximum and have set the firmware

Re: Merry Xmas to all - 12 years ago

Yes to be fair it is still fairly humid here but I lived in Auckland for 10 years and you guys really do know "muggy" better than any of us. I need to work on more insulation for the shed this year, I have about 25% of it done, then I can install a heat pump for heating in winter, cooling in summer and low humidity all year around...

Re: MendelMax / Rostock Experement Using OpenBeam - 12 years ago

That's how it starts, next thing you have five printers in the shed and no room to move Among my list of projects these holidays I want to design a water jet cut printer bed for this machine made from 5mm aluminium sheet so I am learning a new CAD program called DraftSight at the moment which is a scaled down version of SolidWorks and is available free. I have sent it to a water jet company in