Nudel Wrote: ------------------------------------------------------- > For the z-couplers, extruder idler and all > pulleys/gears I use 0.9-1 fill to make them strong > enough. > > It the extruder body and x carriage is in PLA, it > benefits from 0.5 or higher infill, mostly to > stand up to the heat in the area better, but for > the x carriage also to avoid flexing. >by Pointedstick - General
NelsonRap Wrote: ------------------------------------------------------- > depends where you are I guess VXB but expensive, > Aliexpress but take about 3 weeks to deliver VXB rods are great, I love 'em. They can be a bit pricey though, and you can't get them cut to your specifications, so you may be better off ordering a Prusa rod kit. Ultimachine and Lulzbot sell nice ones.by Pointedstick - General
35% infill is a bit overkill with a 0.5 mm nozzle, but is fine with a 0.35 mm nozzle. You can get away with 2 solid layers on a really well-tuned machine, too, but it's best to work up to that point. The X motor and idler mounts are 62 mm tall.by Pointedstick - General
I'm pretty excited to try out a Melzi but I haven't been able to find them for sale anywhere outside of buying a RepRapPro Huxley. Anyone know of a source?by Pointedstick - General
I think RepRaps are better suited for the second world than the third world. Having lived in one of the poorest parts of a third world country myself, I believe that what's more pressing are things like reliably safe food and water, physical security, basic transportation, sanitation, and power infrastructure, and less extractive governance (the root cause of all the previous problems). The OLPCby Pointedstick - General
I think eventually we'll converge again. The variety right now is a good thing, because it represents the community catering to those of many different interests, but in the near future it's likely we'll at least settle on certain basics. It already seems like RAMPS, Marlin, and Pronterface are becoming dominant, and Slic3r is rapidly gaining ground over Skeinforge. That leaves the frame, hot endby Pointedstick - General
Skypuppet Wrote: ------------------------------------------------------- > Then to find it at the same "old" pricing > elsewhere... WOW! That's too bad. I was drinking > the UM Kool-aid until today. I just spent over > $300 to secure decent pricing (and likely drive it > up for others... sorry). Interesting. I'm sure people would love to know where!by Pointedstick - General
That's really weird. Does it reproduce if you use Slic3r to generate the gcode?by Pointedstick - General
Have you heated up the hot end before trying to remove the filament?by Pointedstick - General
McMaster is legit. Bought lots of stuff, no problems. It's a huge site; you'd have heard about it if they weren't secure.by Pointedstick - General
They should be identical. Do you actually have an SAE 5/16 bolt instead? I've done that before. :pby Pointedstick - General
The problem is caused by accelerating and decellerating for every line segment rather than smoothly accelerating and decellerating only where necessary. You're using an old version of Sprinter, or some even older firmware. Solution: update to a newer Sprinter or use Marlin.by Pointedstick - General
Wow yeah, 0.5 mm layer height is really high. I print between 0.3 and 0.05mm layer heights with no problem and I would definitely say lower is better with PLA. It also sounds like you may have to adjust your filament packing density or extrusion multiplier (depending on if you're using Skeinforge or Slic3r) up a bit, as PLA has different physical properties than ABS. I'd say 185º is a good temp fby Pointedstick - Printing
Nudel Wrote: ------------------------------------------------------- > It can also be worthwhile to try out SFACT or > Slic3r. +100by Pointedstick - General
I see some cracks in the holes for the front takedown pins. Please stay safe. There's no reason why this should blow up, but I fully expect that area or the buffer tube attachment to break after a few shots.by Pointedstick - General
One of the biggest reasons I built a MendelMax and now sell parts for them is because I desperately wanted Ultimaker-level quality in a RepRap. A MendelMax can do it. The problem with the Ultimaker is that stringing will nearly always be a concern due to the bowden setup, and this isn't a problem with a MendelMax. Of course, the moving extruder limits the top speed a bit, but with such frame rigiby Pointedstick - General
Very cool! I printed an AR mag but was too timid to use it. If you're actually going to fire that, you might want to start with a .22 upper for teh safety.by Pointedstick - General
Or just use Slic3r.by Pointedstick - General
A 0.25mm nozzle is really small. I'd recommend starting with a 0.35 or 0.5mm one. You're not really giving up hardly any detail at any of those sizes, just potential printing speed.by Pointedstick - General
Pronterface should primarily be used to open gcode files. The only way pronterface will know what to do with an STL is if you have Skeinforge or Slic3r installed alongside it, in which case it will immediately use Skeinforge or Slic3r to slice the STL into a .gcode file. Does the same thing happen when you try to open a .gcode file you've already created?by Pointedstick - General
On OS X, in order to execute scripts, you need to use Terminal. Simply double-clicking on them will only open them up in a text editor.by Pointedstick - General
In the terminal window you use to open pronterface, you must first force python to be 32-bit, like so: export VERSIONER_PYTHON_PREFER_32_BIT=yes I have a text file with the following: export VERSIONER_PYTHON_PREFER_32_BIT=yes /Applications/Printrun/pronterface.py Add ".command" to the end of that file, make it executable, and you have a double-clickable file that will run pronterface. I'm sby Pointedstick - General
A gear printed at 100% infill would be incredibly solid and strong; definitely enough for your use if the original gear was also plastic.by Pointedstick - General
Limiting your Z speed should be done in firmware, not software. All modern firmwares permit you to do this. I suggest Marlin!by Pointedstick - General
Docs indicate that gen3 is compatible with Marlin.by Pointedstick - General
You can safely use half of that. The printed parts on my machines were all done at 25% infill, for example. Non-structural parts usually don't even need 10%, because the infill there is really only used to support top layers.by Pointedstick - Slic3r
I'm suspicious if it doesn't extrude at 180º. In my machine w/ a MG hot end, 3mm 4043D extrudes tolerably well as low as 160º. What may be happening is that the PLA is expanding inside the hot end and causing a blockage toward the top due to heat from the heater part leaking upwards. Try removing all the filament from you hot end, cooling the tube with a fan, and trying again.by Pointedstick - Printing
I keep mine enabled too. I found that it results in smoother surface finish when printing at extremely low layer heights (≤ 0.05mm).by Pointedstick - General
rhmorrison Wrote: ------------------------------------------------------- > I was testing Slic3r and wrote an AWK script to > correct the Z-axis speed problem since I am using > FiveD firmware on Gen3 electronics. The author is > aware of the problem but apparently hasn't fixed > it yet (low priority). > If you want the AWK script let me know. I'm not sure it is a problem. Z-by Pointedstick - General
Use Slic3r. It's much much easier than Skeinforge to decrease your layer height and get good results.by Pointedstick - General