3D Printing Stack Exchange
3D Printing Stack Exchange

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1500 questions
13
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6 answers

Can't get print to stick, no matter what I try

I'm new to 3d printing, so I might be missing something obvious. If so, please let me know. I printed my model successfully yesterday, but today I'm trying to print the same model and the first layer refuses to adhere, which means at best several…
Kenny Wyland
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3 answers

How many times printed printer can print it-self?

There is a 3D desktop printer RepRap which can print most of its own components. Assuming each printed printer will print the next one and so on. Are there any limitation how many times this can be achieved? For example somebody printed for me…
kenorb
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11 answers

PLA and bed heating?

I've read different things about PLA and heat-bed. Some say it is not needed, others recommend 60-70°C, but not for the first layers. For larger objects I often have the problem that the object does not stick to the blue-painters-tape-covered…
Thomas S.
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13
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4 answers

How close should the nozzle be to the substrate?

I have my nozzle close to the substrate that I am printing on, so that a piece of paper can just about slide underneath it freely, without catching. Is this the right way to do it?
Ageis
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13
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4 answers

How do I do multi-colour printing?

Printer: FDM printer (FDM == Fusion Deposition Modelling). Raw Material: Thermoplastics. How do I do multicolor printing? What changes should I make to the printing process/to the raw material used? (Answer in the context of printing a basic 3X3…
Dawny33
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13
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3 answers

How to print edible food?

I would like to print edible cookies or ornamentation for a cake. Is printing with edible materials achievable by standard thermoplastic-like 3D desktop printer? Or you need to buy a special printer to do that?
kenorb
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1 answer

Does the layer thickness have any effect of the strength of the 3D printed object?

Is a 100 micron layer thickness object stronger than 300 micron layer thickness 3D printed object? Are there any rules to follow? Filament type - PLA
Jash Jacob
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13
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3 answers

Can toothbrush bristles be printed?

Is it possible to print toothbrush bristles using a common FDM 3D printer? I am particularly interested in the width of bristles, closeness together of each bristle, and the flexibility of each particular bristle.
J. Roibal - BlockchainEng
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13
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2 answers

3D printing with blender

I have an object that I want to print in 3D. But I have a few questions about it. What are the things that I have to watch out for when 3D printing? I know how to change the metric size etc. Some people said that it's best to set the thickness to…
Ulus
13
votes
3 answers

Grease for PLA sprocket

I am attempting to construct model tank tracks with accompanying wheels and sprockets. All parts will be printed in PLA. The tracks will be driven by electric motors. What would be a suitable grease for this project to minimize friction without…
HenrikS
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12
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3 answers

Why is the center of my glass print bed lower than the corners?

I have a new Creality Ender 3. I suspect that I have not adjusted the eccentric nuts correctly, on the X-axis head carriage mounts. Even after a glass bed upgrade, using the Level Corners routine of the TH3D firmware, I can get the head to scrape…
SPJ
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12
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1 answer

How does this Martian habitat 3D printer built for NASA work?

The ArchDaily article AI SpaceFactory Wins NASA's 3D-Printed Mars Habitat Challenge shows a working 3D printing apparatus using an unusual material containing basalt fiber extracted from Marian rock (simulant) and renewable plant-based…
uhoh
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12
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3 answers

Determining the temps and speeds for DIY printers?

I've been going down the learning road with two broken printers that I'm rebuilding with better parts and electronics. One thing that I've recognized is that there is a pretty low likelihood that any hotend or heatbed that has had the…
SvdSinner
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12
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3 answers

How can I stop my print bed tape from sticking to the filament?

I made a test print for a small gear (~ 1.5 inches in diameter) a few months ago, with a hole through the center. On the first try, the filament (ABS) fused to the print bed, meaning that I had to spend ten minutes scraping off material to loosen…
HDE 226868
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12
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1 answer

Slic3r - Can I add new infill patterns?

Slic3r comes with a handful of infill patterns/algorithms, including Rectilinear, Hexagon, 3D Hexagon, Concentric, and Hilbert Curve. Are there any patterns/algorithms already made and available that I can add to Slic3r? If so, how can I add them…
Marsh
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