Questions tagged [fdm]
Questions about Fused Deposition Modeling (FDM) as an additive manufacturing technology.
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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 ...
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Ender 5 S1 has bad printing quality
So I am relatively new to 3D printing. I have had a few successful prints but over the last few prints, the quality worsened! I am getting these weird holes in my prints. I am using gray creality PLA (...
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Purging feed rate and temperature control
I want to know if there is a G-code to change the feed rate of filament (increase the speed of feeding) during the purging stage. I am only interested in purging and do not want to do any 3D printing ...
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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?
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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+.
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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 ...
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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 ...
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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 ...
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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 ...
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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 &...
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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 ...
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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 ...
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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 ...
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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 ...
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Quantitatively measuring nozzle wear
Are there quantitive means of measuring nozzle wear? What steps do you perform to measure this, if so?
I have some digital callipers, but don't have much confidence in measurements taken, as it's ...
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Why is pressure advance usually implemented in firmware rather than in slicer
Recently I started looking on 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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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.
...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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Needle Hotend for nonplanar printing
To minimize retractions and travel when printing several objects, some slicers produce gcode for sequential deposition when each object is built in a traditional manner bottom up layer by layer before ...
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Do 3D printers really reach 50 micron (0.05 mm) accuracy?
I've always been wondering about the actual accuracy of 3D printing devices. When looking for the perfect machine to buy, I looked at the speed, price, filaments supported etc, but also accuracy. I ...
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Are SLA prints also susceptible to say microbes like FFF prints are with the microscopic flaws?
Say if one were to use foodsafe and or medical grade materials, would (m)SLA print be any less hazardous than one created with FFF printer, being eventually suscectible to bacteria buildup?
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Which software do I need to start print something?
I'm still new to 3D printing and I want to print something. I expect that I'll mess it up since I find nothing to adjust it but it is now laying around for 4 months and I'm sick of it.
So my question ...
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Extruder calibrated, but prints still oversized by .1 mm or so
I've got a pretty straightforward problem. In general my printer is very accurate for the XYZ movements. What I'm running into is no matter what size my print is, the XY dimensions will be thicker by ...
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Can a single line of Gcode have variable extrusion rate?
Fairly long winded, but hopefully makes sense;
I understand that G-code is executed line-by-line, and in the main printing phase each instruction is effectively go to location XY (assuming staying ...
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How to fix evenly spaced vertical print pattern
These lines exist on all prints, PLA, ABS.
They're 0.8 mm apart [20T 2GT pulley, 1.8°/step motor = 1 line/4 full-steps]
Start to disappear above 75 mm/s but will still appear on slower axis when ...
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Small structures are deformed after switching to Duet Wifi
I just switched to the Duet Wifi board (used MKS Gen L 1.0 before) and now small structures look terrible. From my observations the hot end moves correctly, but almost no filament gets extruded. On ...
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Important build plate characteristics/qualities
I managed to tear my build plate trying to get some very stubborn plastic off it.
I'll need to buy a new one, what characteristics are important for me to ensure it's compatable with my printer?
I ...
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Trying to control temperature of hotend using PWM signal and MOSFET
I have a 40 W, 12 V resistance heater in the hotend. It also has a 100 kΩ thermistor built in. I am using an Arduino to read the temperature on the LCD. This is working fine.
I want to use this ...
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