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Questions tagged [fdm]

Questions about Fused Deposition Modeling (FDM) as an additive manufacturing technology.

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3 votes
1 answer
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What scale of accuracy in measurement tools is required to verify a FFF item's specs based on the technology properties?

Measurements in machining often are done to an accuracy of "thou" which is thousands of an inch, or about 0.0254 mm. The measurement equipment for such is usually to an accuracy of tens or ...
Trish's user avatar
  • 22.1k
0 votes
2 answers
75 views

Transparent material

I am searching for some material, that can be turned (even with post-processing) into a "glass" like texture. Additionally, it should withstand some pressure (0.5 MPa in approximately 30 mm ...
Sekaná Pečeně's user avatar
1 vote
2 answers
185 views

How do I prevent PETG from stringing and clumping up?

My PETG prints keep clumping up and stringing. The print is otherwise fine, but there are so many imperfections because of this. It looks like the clumping comes from the infill. I tried replacing the ...
brain56's user avatar
  • 109
2 votes
2 answers
91 views

TPE print fail - filament fails to extrude after normal start

It is my first time printing flexible filaments. I have been trying to print a flexible case for my mini-PC using the TPE 83A by eSun on my KP3S pro. Whenever I try to print it starts well, then after ...
kthibault77's user avatar
0 votes
1 answer
42 views

Processes & Materials for Part

I have a large part, a chute that measures 638.54 × 152 × 369.05 mm, with a 2 or 3 mm wall thickness. This part was originally was ABS that was injection molded. Smoothness is required on the inside ...
RockfordMan's user avatar
1 vote
1 answer
98 views

Why is 'planar-2.5D-slicing' most commonly used instead of 'non-planar-3D-slicing'?

Why do most slicers slice, and printers print in 2.5D, a planar method, rather than an actual 3D non-planar method? Doesn't this mainly come down to slicer software limitations rather than hardware ...
Bob Ortiz's user avatar
  • 1,123
1 vote
0 answers
45 views

How much time/material does it add up using a multi color 3D printer?

I am wondering how much time/material would that add up using AMS or Mosaic Pallet 3 Pro with an FDM 3D printer compare to using a single filament? I know it depends on how many colors we use and how ...
WDR's user avatar
  • 371
1 vote
1 answer
82 views

What problems to expect when operating a 3D printer on a ship?

I want to operate a 3D printer on a ship. This brings up some issues. I want to estimate how likely it is to get usable results under conditions on a moving vessel. First, it is impossible to level ...
Ariser's user avatar
  • 143
1 vote
0 answers
47 views

What factors go into pushing the first layer speeds of an FDM print?

When searching for "how to increase first layer speed" and "how can I get faster first layers", the only results I get from both Google and DuckDuckGo are articles talking about ...
James Yeoman's user avatar
0 votes
0 answers
53 views

First layer issue with new filament

My settings were fine but after switching to a new brand of PLA I seem to be getting issues with the first layer. My previous filament had a print temp between 200 °C and 230 °C. My current settings ...
Jordan Klaers's user avatar
1 vote
0 answers
63 views

Why are printed holes skewed diagonally?

My printer started off as an Anet A6. I've switched it to an aluminum extrusion frame, installed a BLTouch, switched everything to 24 V, gave it an ARM controller, etc. Printing runs over Octoprint. ...
Wojciech's user avatar
0 votes
1 answer
937 views

Anycubic Kobra freezing mid print

About 30 minutes into a print, the printer stopped printing. It froze in one place and when I realised that it had gone awry, there was a large blob of PETG stuck to the nozzle, which I have since ...
Lithanium's user avatar
0 votes
1 answer
127 views

How can we calculate the build time of FDM (Fused Deposition Modeling)? [duplicate]

I am currently working on my research project in the field of additive manufacturing, specifically focusing on estimating the build time of FDM (Fused Deposition Modeling). As part of my work, I am ...
safa marbou's user avatar
2 votes
5 answers
215 views

FDM metal printing - is it possible?

Can someone shed some light in why FDM (Fuse Deposition Modelling) is not possible with metals? Has anyone attempted any experiments with it?
justanu's user avatar
  • 21
2 votes
1 answer
48 views

Cause of print errors with PC + CF?

I simply don't have a lot of experience with 3D FDM printing and additionally Priline PC+CF filament. It does print relatively easily. But a coworker wanted a Batman symbol for his daughter. Now I'm ...
Nolan Robidoux's user avatar
1 vote
1 answer
393 views

How would I print a non-flat surface using FDM?

So far, I have only printed with SLS printers. The results were great, but it was such a horrible mess, and precautions took so much time (gas mask, chemistry gloves, etc.) that I am now switching to ...
tmighty's user avatar
  • 531
1 vote
1 answer
235 views

How to convert a conventional Inkjet printer into a FDM resin 3D printer?

I searched about the subject in this website and could only find this question here asking "if there is an FDM Resin 3D printer", not how to build it. The idea is to replace the inks for ...
Fulano's user avatar
  • 113
2 votes
3 answers
1k views

Metal coating 3D printed parts (electroless plating)

I know that 3D printed parts can be coated in metal by painting them with conductive paint (graphite or copper seems to be usual) and then electroplating them in a commercial copper or nickel bath. ...
iblue's user avatar
  • 169
1 vote
2 answers
78 views

How do I deliberately maximise stringing with PLA?

I'm using an Ender 5 with standard PLA and Creality slicer 4.8.2. How can I deliberately maximise stringing, and if possible get it to be as consistent as possible. My aim is to have "thousands ...
Aaargh Zombies's user avatar
3 votes
1 answer
72 views

Bottom layer print speed - When do you reach diminishing returns?

When printing the bottom\initial layers on an FDM printer using PLA, how slow can you go before hitting diminishing returns (the speed at which you gain no additional advantages in terms of print ...
Aaargh Zombies's user avatar
2 votes
1 answer
227 views

Do flyback diode filters in stepper circuits improve print quality?

Do the add-on noise reduction boards (variously called Schottky diodes, flyback diodes, noise filters) installed ahead of the stepper motors really improve print quality on FDM printers? I installed ...
allardjd's user avatar
  • 511
3 votes
2 answers
300 views

Filament based printing what operator behaviors contribute to an increased need to relevel a bed?

When using a filament based printer, what operator behaviors increase the frequency at which a bed must be relevelled between prints?
Aaargh Zombies's user avatar
1 vote
0 answers
277 views

What parts are compatible with the Anycubic Mega Zero? (FNG here)

I bought a 3D printer 2nd hand from someone a year and a half ago and finally set it up last week (I know I'm terrible). It's an Anycubic Mega Zero. I'm pretty sure it's the first version not the 2.0 ...
Matthew Mays's user avatar
0 votes
2 answers
2k views

Ultra thin skin of cured resin found floating in vat, possible sources?

I've been repeatedly finding small fragments of extremely thin cured resin floating in the vat of my elegoo saturn resin printer. They're maybe a couple of CM across and so thin that I can't measure ...
Aaargh Zombies's user avatar
0 votes
1 answer
3k views

G29 UBL G-code - every request levels bed? [duplicate]

Every time I issue a G29 command the printer runs through all its multi-point/probing bed leveling routine. Is this normal? or can I issue one ...
JRP's user avatar
  • 1
0 votes
0 answers
24 views

Is there a good or rather better way to finish/smooth FDM prints? [duplicate]

I'm curious as to whether there's an easier and/or more effective way to smooth/finish my FDM prints. I've read about some online but I'd like a second opinion. I'm mostly using PLA and PLA+.
Tristan Adams's user avatar
2 votes
2 answers
7k views

Creality Ender 3: Layer shifting at high speeds

I am printing Benchies at high speed, I successfully printed one at 300 mm/s. If I set the speed to 400 mm/s, the Y axis begins shifting around. This is usually accompanied by a banging sound. In ...
Proxy303's user avatar
  • 223
2 votes
4 answers
287 views

Any way to have slicer make a stronger lattice work?

I'm trying to 3D print a lattice work or truss, basically some beams forming a rectangle and additional beams forming the diagonals and where those beams cross, they should be fused. So, something ...
Mr.K's user avatar
  • 23
2 votes
1 answer
253 views

Extruder skips steps, when filament is manually pushed through the extruder it works somewhat "flawlessly"

My Ender 3 started to skip steps on the extruder, therefore no more filament comes through the nozzle anymore. When I push the filament myself through the extruder, it works somewhat flawlessly. It's ...
Jannick's user avatar
  • 31
2 votes
0 answers
48 views

Weird layer cross section resonances

While doing the setup of a new machine I printed a small retraction test which showed that layers at different heights present a varying section. The whole area of the layer is expanding and ...
DarioP's user avatar
  • 121
1 vote
1 answer
97 views

Can a sustainable material like mycelium be used in place of thermoplastics for fused deposition modeling? [closed]

If it cannot be directly injected in a molten form, is there any way on how to do this? When I was exploring about this, I mostly found thermoplastics. Please note that I am not trying to contrast &...
lousycoder's user avatar
3 votes
1 answer
455 views

Strange vertical lines on X-axis direction of parts

This one is turning out to be a real head-scratcher. I'm running a stock Creality CR-10S and there seems to be a single line approx 45° across the print on the X-axis direction. I have attached images ...
Anirudh Vasudevan's user avatar
1 vote
2 answers
2k views

How to replace the nozzle in my hotend assembly?

What should I take care of to replace the nozzle of the hotend assembly the right way? What kind of data, precautions, tools, steps, and verification are important for replacing the nozzle? The ...
octopus8's user avatar
  • 986
1 vote
2 answers
2k views

Bed heating stops when paused by filament runout sensor

My CR-10 S5 has a feature, that stops the print, when the filament runs out. However, when the printer pauses, the bed cools down and the print plops if the bed. Is there a way to tell the printer to ...
Frezzley's user avatar
  • 131
3 votes
5 answers
338 views

Will 3D printing work upside down or in zero gravity?

I assume SLA printing only works on Earth and upright. But would fused-filament printer (e.g. Prusa Mk3) work in zero gravity? What about upside down or sideways? If not, could it be modified to work ...
BetterSense's user avatar
2 votes
1 answer
220 views

Are there quantitative means of measuring nozzle wear?

Are there quantitative means of measuring nozzle wear? What steps do you perform to measure this? If so? I have some digital calipers, but I don't have much confidence in the measurements taken, as it'...
Andrew Ebling's user avatar
7 votes
2 answers
2k views

Why is pressure advance usually implemented in firmware rather than in the slicer?

Recently I started looking at pressure advance and how it works and I'm a bit confused about where it is usually implemented. My idea of 3D printer was that its firmware is fairly dumb and only ...
cube's user avatar
  • 215
1 vote
1 answer
1k views

How is the extrusion rate matched to the movement speed?

A typical line of (depositing) G-code seems to set a maximum speed (F), a new position to move to (X, ...
Sam's user avatar
  • 61
0 votes
2 answers
4k views

My 3D model is printing with missing parts when sliced in Ultimaker Cura

I have been working hard the last year on the model below. I am new to everything 3D that is modeling and especially 3D printing. I have however successfully concluded quite a good number of 3D prints ...
ronin074's user avatar
  • 103
4 votes
3 answers
1k views

Filament that is resistant to ozone

Does a filament exist that can resist ozone (like certain silicone tubing's can). Most glass bottles come with tin or plastic screw hard tops and I would like to replace the screw caps with something ...
Rick T's user avatar
  • 179
1 vote
1 answer
376 views

Monoprice select mini underextrusion?

Can someone please review the picture and tell me things to try to fix, the threads are full of little gaps. The layers that are solid, below the threads have a tiny bit of space between them. Is it ...
Nick Santitoro's user avatar
3 votes
1 answer
683 views

My first layer becomes solid when sections are supposed to have small separations

I've only been 3D printing for a few weeks and most of my prints seem to come out fine, but when I try to print models which require a small clearance between sections of the model, e.g. various ...
StarNamer's user avatar
  • 143
1 vote
1 answer
2k views

How to unload filament as cleanly as possible using the extruder motor?

I usually unload filament using the extruder motor, with the nozzle around 30 °C below the filament's print temperature. Despite this, often a significant amount of filament is left in the nozzle,...
Ian Mackinnon's user avatar
6 votes
3 answers
7k views

What is the best infill pattern for shearing strength?

For practicality sake, I need to print a design such that there will be weight hanging parellel to the layer lines. Is there an infill pattern that would be better than others at handling this? I ...
linuxdan's user avatar
  • 1,403
0 votes
1 answer
139 views

Diamond hotend with single extruder motor

Today I started to google the idea of multimaterial printing. I checked out prusa multimaterial upgrade and while it looks nice, it is expensive and will not probably work with my non-prusa printer. ...
ezpzlmnsqz1337's user avatar
16 votes
1 answer
6k views

Why does hairspray work as an adhesive for ABS?

Since I have a 3D printer, I worked primarily with printing ABS. I tried multiple methods for adhesion (various soluble glues, ABS juice) but always had the most success with hairspray on clean ...
TheEquah's user avatar
  • 163
8 votes
1 answer
4k views

When should I replace the nozzle on my printer?

I have what I assume to be a brass nozzle, and I only print in PLA. I am starting to have some issues with first layers and stringing. I'm wondering if I should replace the nozzle. What signs should I ...
linuxdan's user avatar
  • 1,403
1 vote
0 answers
59 views

how air gap and raster width are related to each other in FDM process? [closed]

In FDM process, what is the relationship between air gap and raster width? are they depended on each other or are they going to get influenced by the nozzle diameter?
Sri Harsha's user avatar
0 votes
1 answer
109 views

Please suggest parameters for 0.5 mm diameter nozzle [closed]

I am building an FDM machine on my own. I am not using any commercial software. So I have a lot of questions regarding the right parameters to choose. I am having 0.5 mm diameter nozzle. What are ...
Sri Harsha's user avatar
2 votes
1 answer
698 views

Visible/irregular horizontal lines for complex models

There is this small issue I've been trying to find a solution for quite some time now, and nothing I've tried seems to work. My machine is an FDM printer, i3 style, but I have customized so much of it ...
uorbe001's user avatar