Hi Denis, thanks and thumbs up for sharing these great results! Nikolaus
Am 20.06.2012 um 16:13 schrieb Denis Shulyaka: > Hi all, > > I have made another attempt to create a case with the original bottom > hole and the buttons. The first attempt was unsuccessful because the > hole was too big and couldn't fit. > The second attempt was much more successful, but took very long to > reach me due to horrible service in Russia of one of the most popular > package deliver companies in the world. They failed to deliver the > package, returned it back (and didn't return the money, I believe) and > after all said that they don't deliver to Russia at all any more. We > ended up using normal postal service, which is more reliable but more > slow (Big thanks i.Materialise for the support! Shapeways refused to > print my models due to the shipment problems). > > Anyway, now I've got my 3D-printed case and must say that the back > cover fits perfectly this time. I've also printed other parts of the > case including buttons (see link below). > The front cover was printed in Prime Gray material, it's easier to > break than Polyamide, but looks and feels very "professional". I'm > going to print the whole case in this material later. Buttons are > harder to press than original, but they do work! Now I can say it with > full responsibility: 3D-printing of a full-featured GTA0* case is > possible. > The quality is very good. Especially I like the look and touch of > Prime Grey material. However it is still not as strong as I want and > snap joints would break quite quickly. There is room to make them even > thicker, but they would lose the flexibility they are supposed to > have. This is not a big issue for the front panel which is not This appears to find the right compromise. > supposed to be removed very often, however the battery cover would > possibly need something different to last reasonably long with daily > use (note that even original openmoko plastic part couldn't last long > in my hands). > Polyamide is rather more strong and flexible but doesn't have this > "almost luxurious" touch and gets dirty very fast. I will possibly ask > the factory to paint it next time. > I had to fix the AUX button with a rasp because it was too big (it > might be my model or varnish the factory used). I will fix the model > to avoid this in the future. There are also some other minor issues > with the model (the screen space is a little bigger than original and > the space left for the Power button is also too big, but those are not > big issues). > I've printed the speaker top part in ABS also, but the quality was not > as good as Polyamide. > I have successfully installed my GTA02 board into the case (keeping > original speaker parts because they are a little different to give > enough room for wifi) and will use it for some time and report back. > The board fits almost perfectly except for one spot that is also not > critical at all and easily fixable. I don't have a GTA04 yet because > it's also not being shipped to Russia. I'm now figuring out the way to > by it by someone in between, but would wait for a case kit first. > > Now about the prices. It is expensive, especially the buttons printed > in Transparent Resin which cost about 55€ each. The front cover (Prime > Gray) was 22€, middle part and back cover (Polyamide) were about 36€ > each. The site shows that the speaker parts are 12€ each, but I > believe it was twice more expensive when I ordered. > > My work is based on official Openmoko CAD files as well as on Lukas > Märdian's work > (http://blog.slyon.de/2012/01/02/building-a-case-for-the-goldelico-gta04/). > The models have some advantages over Lukas Märdian's files such as: > - Have a bottom hole and buttons and look very much like original case > - More 3d-printer friendly (100% manifold and have correct normals) > - Better wall thickness in a number of places > - Have a nice GTA04 title on front > > And disadvantages: > - Price is currently significantly bigger > - OTG port for GTA04 is not implemented yet > - Less tested > > TODO: > - OTG port > - Camera hole > - Tweaks to fix some minor issues encountered during testing > > The photos and sources are here: > http://wiki.openmoko.org/wiki/User:Shulyaka > _______________________________________________ > Gta04-owner mailing list > gta04-ow...@goldelico.com > http://lists.goldelico.com/mailman/listinfo/gta04-owner _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
