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1500 questions
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2 answers

Frightened of Cheap Chinese Power Supply as I hook up the heated bed

My 12V DC 30A Power Supply 360W Power Supply is really cheap, and it's worked well for setting up the motors; but now that I'm on to the heated bed, which uses considerably more Ampage than that of just the motors, I'll confess, I'm getting…
leeand00
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Loss of extrusion in Stratasys FDM liquefier

I am running a Stratasys Dimension 768 SST, with a "rebuilt" extruder (dual setup includes support + model). This extruder, basically, follows the OEM design with exception to the tubing diameter (few mils smaller for rebuilt, although there is a…
user4063
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1 answer

Fan Fails to Start

SOLVED: I replaced the leads coming from the fan motor and it is working just fine. Thanks for the input. If anyone else has this model, I would suggest printing and installing a wire clip in order to prevent the issue. Here is the one that I am…
JG7
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Kossel accumulates error along Z axis

I have a Mini Kossel and I am going through calibration. I can home carriages and find the bed with paper-test getting some Z value with M114. Then I run the effector almost full height up and then down - and now Z value for the bed is greater! If I…
Nikolay Zinov
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4 answers

Can I repair my microwave with a PLA part?

The turntable support part in my microwave has broken. It is a three armed part, with small wheels at the end of each arm. I'm confident I could print a replacement, and reuse the existing wheels (since they can be removed). The heat of the food…
aaaidan
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3 answers

How to 3D print an object with variable printing speed?

I have a object to print for which I want the base to be printed very rapidly because it's just a cube but as the print reached around 70 % a complex circular structure needs to be printed at a slower speed. Is there any way I could control the…
Jash Jacob
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Z Axis getting stuck with Marlin 1.1.0-RC7

Background: I just successfully installed a RepRapDiscount Full Graphic Display on my Prusa i3; and in doing so, I've upgraded all of the firmware to the latest version of Marlin, 1.1.0-RC7. With my previous version of Marlin, 1.0.2-1, everything…
Alex Sky
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3D printing enclosure with LED indication symbols -- is this possible?

I am looking to print an enclosure, which will have a PCB inside with some LED indicators. I was wondering if it is possible to 3D print the enclosure such that the following look can be achieved? What material and technique? When LEDs are off, it…
O.K.
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7
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How to minimize damage when removing an ABS print from a heated glass print bed?

Usually it will either will rip the tape, or break the print somehow. Currently using ABS on a taped glass bed with a layer of hairspray for adhesion.
ZachNag
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Optimal ratio of fresh to used nylon powder

I am operating a laser sintering machine, using polyamide 2200 powder (with a grain size of approximately 50 micrometers). During a print, a lot of powder goes unsintered and can theoretically be reused. However, using purely recycled powder…
Tom van der Zanden
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Ender 3 Pro has too much space between extruder and bed

I just finished assembling my Ender 3 Pro and am having trouble with bed leveling. The extruder doesn't even come close to the bed, the z-limit stops the nozzle about 3-4 mm away. The leveling springs are already pretty uncompressed. Is there any…
Brad K
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2 answers

A vertical scar on the print surface, what is the name of this problem?

Printer: Kobra Max Nozzle: 0.4 mm Material: PLA Slicer :Cura I have printed 1 model 3 times with different settings (different temperatures and different bed temperatures). Try 1: 190 °C / 50 °C Try 2: 210 °C / 70 °C Try 3: 230 °C / 50 °C All 3…
tmighty
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7
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Sudden Extreme Z-Banding

I am experiencing an extreme Z-banding issue that has come on all of a sudden. I'm quite new to 3D printing and I have just taken a deep dive into printer calibration by going through the Teaching Tech 3D Printer Calibration website, after which my…
SecretAardvark
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1 answer

OpenSCAD can't render union of two polyhedrons, but can preview just fine

I am running into what honestly seems like a bug in OpenSCAD, but I can't believe that something so simple could reveal a bug. I am trying to render the following code: module tri_prism(base1, base2) { polyhedron([ base1[0], base1[1],…
nc404
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7
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2 answers

Convert 3D printer to laser engraver

Can you convert a 3D printer to a laser engraver? If so is there a specific thing I have to buy?
Varun W.
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