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geoff-t

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  1. geoff-t

    Cura problems after win 8.1 'upgrade'

    I'm getting there, my windows user profile got corrupted in the 'upgrade' process, I created a new account and from there I can now use Cura and other programmes that had stopped working properly. So at least I can get back to work with the minor inconvenience of having to change users.
  2. geoff-t

    Cura problems after win 8.1 'upgrade'

    not fixed yet but definitely opengl issue, I tried opening Google Earth in opengl mode no imagery, works fine in directx
  3. geoff-t

    Cura problems after win 8.1 'upgrade'

    Thanks Dim3nsioneer, yes I was forced, it started with an option to delay for 2 days maximum which after that the choice limited to a maximum 4 hours, once restarted that was it. I've re-booted many times with no success, I can remember that solving a similar issue last year when trying to upgrade. I'll have a look at the opengl drivers.
  4. Microsoft finally FORCED me to 'upgrade' to win 8.1 from win 8.0, I'd been resisting since the end of last year as every time I went through the process it failed to upgrade and offered no solutions to the problems and generally required a factory reset to get things back to normal. Anyway yesterday despite my best efforts to avoid any change it offered no choice but to upgrade within 4 hours! it restarted itself and upgraded, mostly successful but has left me with some significant problems. I had problems with Cura 14.07 straight away, ultra slow reactions in the active model window. I can't zoom, rotate the view or use the other buttons, If I do a rotate view nothing happens tab through to another application then back to cura and the move has happened. I've removed re-installed and tried other versions of Cura but still the same problem even with very small models or no model loaded. I'm running on a lenovo laptop with Nvidia GEFORCE and intel onboard graphics, played around with options on those and disabled virus firewall. This is obviously a microsoft problem but given the symptoms in cura I wonder if anyone has any suggestions.
  5. Your Cura image shows the part coloured grey indicating it is too big to print, so probably when you save the gcode it's saving the last gcode created which was when it was sitting upright. By rotating the object so it can run corner to corner you should be able to get it to print.
  6. geoff-t

    Printing moving parts

    Thanks very much Robert that gives me something to get started.
  7. geoff-t

    Printing moving parts

    Things like hinges, say for a 2mm diameter cylinder, what diameter hole would be required to get it moving easily?
  8. Can someone give me some pointers for the modelling requirements, and maybe print settings for printing moving parts in a single print. I'll be using UM1 with PLA thanks Geoff
  9. geoff-t

    Windows 8.1 3D Printer Suport

    We've got cura working with win 8.1, we've got another in theory identical machine running win 8 that won't update to win 8.1 and has display issues with numerous 3d programs including cura........sometimes. The problem seems to be with the graphics card drivers, I'd swap to win 7 any day, never had such a disappointing purchase before, and I once owned a machine with vista! Delighted with the ultimaker original and cura.
  10. geoff-t

    More temperature resistant PLA options

    A bit delayed but I've had a go now, the PLA 90 worked perfectly for making a mould but I have found it very difficult to get such good printing results as standard PLA. As I'm generally making jewellery type objects this is a bit of an issue. However I can see the potential for some less exacting requirements. Within the same mould I also placed some standard PLA patterns depending on shape and fill density there were mixed results ranging from severely crushed and distorted through to acceptable. I'm going to have another go try and keep the temperature and pressure lower for longer and use nothing but solid patterns. I'll try and take some photos next time. anyone mystified by the process can read more here http://en.wikipedia.org/wiki/Spin_casting
  11. geoff-t

    Firmware upgrade without USB?

    That sounds promising, I'll get the New Year celebrations out of the way then give it a go :cool:
  12. geoff-t

    Firmware upgrade without USB?

    Thanks, I'll have a go at removing it first.
  13. I've not been able to connect my Ultimaker original via USB for some time. I've read many threads about this issue and tried all suggestions but it won't connect to a range of machines from XP to windows 8. For printing no problem but as time moves on I'm updating cura but don't seem to have a means of updating the firmware, can this be done via the SD card? or is there some other way of doing this? Thanks Geoff
  14. geoff-t

    Opinions about Hightemp PLA

    I've just received delivery of some PLA90 from Orbi-Tech, very good service. I tried my first print earlier, I went for a temperature of 225, I normally run about 210 for standard PLA. It's looking promising, I started another thread early this week under Questions and Answers as I intend making low temperature vulcanised silicone moulds for spin casting pewter. This requires being held at a temperature of about 90C for an hour. I'll give that a try when I'm a little less busy next week and report back with some photos.
  15. geoff-t

    More temperature resistant PLA options

    Thank you IRobertl, that seems to have the required properties, a supply in the UK would be ideal but not a great hardship to buy from Germany if it works. Thanks gr5 for the abs tips, I'm mostly doing jewellery sized objects without overhangs so that too may be worth a try.
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