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Z axis issue with Ramps 1.4

I just installed a Ramps 1.4 board on to my Anet A8. Everything worked as it should except for the Z axis motors. The Ramps board I have contains two headers for each Z axis motor. When both motors are connected, one of the motors squeals like…
Krizzle
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Troubleshooting printing layer squashing?

I am having a strange intermittent printing error specific to one particular object I'm trying to print. My printer is a BCN3D Sigma R17. I am printing a thin wall (0.6mm) cup object. I'm using: Simplify3D with Sigma Progen profiles 0.6mm brass…
Edan
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How to slice this wing so it has a smooth infill like perimeters

I have this wing design that I want to print: You can notice that its walls have a thickness, which is 1.0 mm. I want to print it so that the perimeters are inside that thickness. Here is the wing sliced with 1 perimeter and 0% infill: You can…
Tooniis
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Help with Repetier firmware variables (Dimension Dual Delta - J Group Robotics)

So I'm finally building a new firmware (Repetier) since my current one can't be edited. It is a Delta printer and is explained in detail here: Help with Repetier firmware (probably locked and licensed) There are many variables that I couldn't find…
Ojasvi Srivastava
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What tweaks do slicers use to get rafts to stick?

I've always had trouble getting prints to stick directly on my bed, but had great reliability when use rafts. This didn't present a problem when I was using PLA, but I recently got a roll of PETG and it is very hard to remove rafts, so I am once…
MrGlass
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How do I give 3D-printed parts in ABS a shiny smooth finish?

The surfaces of my printed parts using ABS plastic look rough and uneven. What methods can I use to achieve a smoother finish for my for 3D-printed objects?
Morgoth
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Is it a good idea to include thermal fuses in a DIY 3D printer design?

3D printing should be relatively safe, however, the inherent nature of 3D printers, with all of the heated parts, constitutes a fire risk. A well designed 3D printer should be designed to be as safe as possible, especially one used in the home...…
Greenonline
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Parts of my (apparently manifold) model aren't appearing in my Slic3r preview

I have an STL file that, when I load it in Slic3r, looks fine, but somewhere in the actual slicing process, something goes wrong and parts of the model disappear. That's the render on the left, and the slicing preview on the right. That big hole is…
Obliterax Scourge of Nations
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How can I insulate my thermistor?

I have had many problems with my heat shrink for the thermostat on my Anet A8 melting from the heat block. Is there a way I can insulate my wires from heat but still have enough room to put the thermistor into the block?
Vosem Media
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What does Marlin's G30 code do?

I'm using Marlin 1.1.0RC8 to control an MPCNC, using a RAMPS1.4. We've just added a touch-plate to do Z-probing, which works nicely for a single probe (I just want calibrated height for variant bit-lengths, not bed-leveling, but I think it amounts…
SusanW
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Can you print at 0.3 mm with a 0.2 mm nozzle?

I recently ordered some spare E3D 0.4 mm nozzles. However, there was a mix up at the factory and they delivered 0.2 mm nozzles instead. I usually print at 0.3 mm using a 0.4 mm nozzle. Can I still use the 0.2 mm nozzles to print at a resolution of…
Ageis
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Scaling/size issues in delta printers

So here How to achieve dimensional accuracy of printed parts the Cartesian printer approach to accurate sizing is covered. And deltas get a footnote of being a whole other ball of wax - so let's look at that wax ball. I'm currently resurrecting, or…
Ecnerwal
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How to switch motor outputs and use E1 as X, in Marlin firmware?

I broke up my electronics and now the output for X is not working. The stepper is OK. There is any simple solution to remap the output pins? I want the E1 output to act as the X output.
BuzzKill
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Brief very slow moves near top layers

I've been trying to change to the latest Cura (v2.4) from the older v15.04 (I'm sure there's a good story about why they reset the numbers). There's an annoying behaviour in my prints now, and I can't track down what is happening. Everything goes…
RossGK
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Structural Analysis

I have some files for 3d printing that I want to do structural analysis because I plan to apply loads on them. I know there is a Solidworks analysis module for this purpose called Simulation, but according to what I have read about this software it…
LCarvalho
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