3D Printing Stack Exchange
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Why turning off model cooling for first layer?

I had few printing troubles for first layer yesterday (will certainly ask there as soon as I can take photos) but one of the things I've noticed is that the model cooling fan (the fan that is supposed to blow air on the printed model, not the fan…
Xenos
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How to add "skin" to a Voronoi shape?

Suppose I'm given a shape with a Voronoi pattern, such as this lamp. I'd like to be able to add a "skin" which covers the complete shape on the inner surface so I could print it with translucent material to produce a more-or-less uniform glow. …
Carl Witthoft
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Software for adding supports to 3D printed miniatures in STL file

My main application for my 3D printer (Zortrax M200 Plus) is making 28 mm scale miniatures for role-playing games. Basically people and animals at 1:60 scale, which means that things like arms, legs, or weapons are only a few millimeters thick. If I…
Tobold
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What is the best length of the melting zone in the hotend?

There are many hot end designs out thee and one difference is the length of the melting zone. The melting zone is that part of the hotend where the pushed in filament is heated up and therefore starts to melt. Is it better to have a short melting…
Lars Pötter
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Can the `render` function be used to speed up rendering?

I am designing a moderately complicated piece in OpenScad. It renders fast enough in preview mode (1s). But when i do a full render so I can export to STL, it takes ages (In the 10s of minutes) I have read that sometimes the function render is…
Frames Catherine White
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Under extrusion towards the end of the print

I have really strange problem. Thing is that my print (first layer) started ok, not good nor perfect but ok and everything was going well but then all of a sudden, near the end of a print, quality drops drastically. I'm not really sure but I think…
Aleksa Rakic
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How to configure Marlin to enable auto-fans with dual extruder

I have successfully assembled my custom-built 3D printer and configured Marlin for two extruders and one heated bed. Here is a picture of the printer. My heated bed runs on a linear axis with ball bearings. When the printer has been running for an…
xoric
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3D printer stepper motors only going one direction and skipping in the other

I have built a couple of 3d printers now and I'm having a little trouble with one I'm currently on. I frankensteined this one with two of my other printers that I had built. I took the Arduino mega and ramps 1.4 out of the older one and wired it up…
Dakota Miller
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What parameters affect cylinder regularity?

I'm printing cylindrical pins for a spool holder, but all my pins have irregularities on the external surface of the cylinders (see photo for partially printed pin with irregularities). It's hard to tell for sure, but it appears that the hot end…
Doug Richardson
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How can I prevent my nozzle catching on my print?

I have created a budget 3d printer using parts of old computers, specifically I used the CD drive mechanisms for the x,y and z axis. This printer is similar to the curiosity E-Waste printer, as seen here: Link After quite a bit of time working on it…
Joe Clinton
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Using the end of a spool

I've seen several Q&As on recycling and reusing plastic from failed prints, but what have you done with the last few meters of filament? I've been keeping the ends of PLA (or sections I needed to cut) to maybe use for friction welding pieces…
Jesse Williams
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SLA prints not sticking to build plate

I have been working with our SLA printer (Facture Draken) for a couple weeks now printing in makerjuice waxcast. . I have had some successful prints, but the majority (80%) end up as pancakes stuck to the bottom of the resin tray. Some others…
DMrFrost
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How can I add auto bed leveling before print?

I want to add auto bed leveling before each print. When I enable auto bed level in configuration.h, it only shows auto bed in menu. I found this code in cardreader.cpp void CardReader::openAndPrintFile(const char *name) { char cmd[4 +…
Hadi Barak
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How long is an extruder's/nozzle's life?

I've been using a printer for several years now and I've never replaced any of my extruder hardware (nozzles, steppers, gears etc.). I was wondering how long you should expect your extruder hardware to last? Is it indefinite, or are there normal…
Diesel
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ABS or PLA for structural printed parts?

TL;DR Is ABS a better material to use for structural parts of a 3D printer, as opposed to PLA? I have been looking at various suppliers of printed parts for a Wilson II, on eBay. One supplier supplies all of the parts printed in ABS, whereas…
Greenonline
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