I ran two samples, one with 0.4 nozzle, on the right and another 0.2 nozzle, on the left. I measured it with my pretty crappy caliper, and it is within 0.2mm error, but maybe a bit more. Usually for parts made on the same machine it is okay. This can be compensated by applying a small scaling in the slicer since the model has correct dimensions in STL file. https://photos.app.goo.gl/nOydpeTGDVduYRnR2
Overall it looks okay, corners hold reasonable tension without breaking. -Serg On Sat, Jun 2, 2018 at 1:12 PM, Serg l <s...@tvman.us> wrote: > So far it stays within the footprint of LCD. Here is a simple rendering > with dimensions https://drive.google.com/file/d/ > 18C59D6wkfz6w5kxejMQC2ls93uSuLQG_/view?usp=sharing > > On Sat, Jun 2, 2018 at 2:13 AM, Mychaela Falconia < > mychaela.falco...@gmail.com> wrote: > >> Hi Serg, >> >> > A couple of notes. Would it be possible to extend the spacer by 1 mm >> > outside of the LCD footprint? >> >> Do you mean extend by 1 mm total (extra 0.5 mm on each side), or have >> an extra 1 mm on each side? I would hope that adding just 0.5 mm on >> each side should be sufficient - this way there is a full 1 mm of >> outer wall at the points where the alignment pins go in. Or do we >> need even more outer wall at those points? >> >> > On the inside at the bottom legs it will be >> > just 0.4 mm wall for the pin, with +/-0.1 mm precision it is too close. >> I >> > was thinking that making a notch instead of a hole would be a better >> > option. This way I can have reasonable margins on outer side. >> >> Yes, with my original idea the inner wall at the bottom pin hole would >> only be 0.2 mm or so (if we leave another 0.2 mm of margin), so that >> inner wall would essentially disappear at the widest point of the hole. >> You are saying to just replace the hole with a notch, right? Probably >> a good idea. >> >> > I have done a quick draft, does it look like a good candidate? >> > https://drive.google.com/file/d/1Xd6pzuXVFUHUF1dC9Sl3Gq-ViYB >> u-rKJ/view?usp=sharing >> >> Unfortunately I am a cave-dwelling neanderthal and have no idea what >> to do with an STL file. :( >> >> > How much space do we have under the LCD >> >> I don't understand the question. Without the proposed spacer under >> consideration, there is essentially zero space under the LCD module if >> it is pressed against the PCB - the module is misdesigned in my >> opinion. As to how much space under the LCD we need to *create* by >> way of our spacer, my target is 1.5 mm, so we can accommodate a Molex >> 51296-4594 connector for the FPC tail (1.30 mm height above the PCB, >> the thinnest I could find that is compatible with this LCD module's >> tail configuration) with a little bit of margin. >> >> > and can we have the spacer sticking >> > outside of the screen footprint? >> >> Yes, we can make the spacer footprint extend a little wider than the >> 38.40 mm width of the LCD module, but we should only extend it as much >> as absolutely necessary. >> >> > I made it 2 mm wide >> >> Does it mean that the inner edge of each wall coincides with the >> innermost point of the alignment pin on that side while the outer edge >> of each wall extends 0.5 mm past the outer edge of the module shell? >> >> > and 1.5 at the bottom >> > to accommodate the flat cable. >> >> We need the space not so much for the flat cable (FPC tail), but for >> the PCB-mounted connector into which this FPC tail will need to go. >> >> At this point the most effective way for you to help this project >> would be to receive a physical LCD module from me and start >> experimenting with it hands-on. Where should I send it? >> >> M~ >> _______________________________________________ >> Community mailing list >> Community@freecalypso.org >> https://www.freecalypso.org/mailman/listinfo/community >> > > _______________________________________________ Community mailing list Community@freecalypso.org https://www.freecalypso.org/mailman/listinfo/community
