Questions tagged [print-quality]

Questions about troubleshooting and achieving certain print-quality. Please include photos of your problem, and also describe what the limits of your 'good' prints are.

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8
votes
2answers
518 views

Irregular 3D printed part

I tried printing from an STL file on the QIDI TECHNOLOGY 3DP-QDA16-01 Dual Extruder Desktop 3D Printer QIDI TECH I. They recommend using the MakerBot software with the Replicator(Dual) profile. The 3D ...
9
votes
3answers
3k views

How to utilize/calibrate print fans for PLA?

At the moment, I am thinking about print fans that cool the plastic when printing. I am not asking about the design of the fanducts, which might be a whole book on its own. I would like to know how to ...
3
votes
3answers
432 views

Prints get really messy for no apparent reason

I have a serious problem and I can't find a way to solve it because I have no idea why is it happening. For some reason the things I print get really messy, like a mountain range growing on the print. ...
5
votes
4answers
895 views

First Layer problems?

I am using the E3D v6 hotend with the titan extruder. Everytime I go to do a test print, just enough stringy filament oozes comes out of the hotend "right before" it lays down the first layer. I have ...
9
votes
2answers
21k views

Any fix for PLA prints getting more brittle over time?

I've been printing small quantities from a PLA filament spool on a Craftbot printer for about two months now. Recently the printed objects have been coming out very brittle. Some structures that ...
3
votes
1answer
105 views

Tinkerine 3D Printer

I am trying to print model for Prosthetic Hand (File Here: http://www.thingiverse.com/thing:596966) using Tinkerine 3D Printer. It went smooth for first hour and after that it started messing up(...
4
votes
3answers
3k views

Why is my print getting messed up mid-print?

I am using Slic3r to generate the GCode for my Marlin-based printer. For some reason with increasing height my print starts to get messed up. On another part it starts to act like this when there are ...
15
votes
2answers
12k views

Differences between moving build plate vs. extruder

What are the differences, and pros & cons, between 3D printers with varying layouts for moving head vs. moving build plate? Example layouts would include: X Head; YZ Bed; XY Head; Z Bed; ...
11
votes
2answers
19k views

How to choose an extrusion temperature?

From what I've been able to find out, online sources recommend around 205ºC for PLA and around 240ºC for ABS. But these are only guidelines, of course. Optimal printing temperature can be different ...
2
votes
1answer
772 views

'Sine wave' deviation in X-Axis on moving bed printer.

I've built a a PrintrBot inspired printer with a moving printbed for the X-Axis movement. It's controlled by a RAMPS board running Marlin firmware. And there is a problem with the X-Axis positioning. ...
2
votes
3answers
497 views

How could I keep the material on the print plate from bending up on a makerbot 2?

I printed a big base for a model, but the corners of the bottom bent up, making the whole base rock when set on a table. Is there a quick fix for a makerbot2 without a heated plate?
5
votes
1answer
733 views

What is causing these artifacts when the extruder moves in one direction?

I have a Prusa i3 that I am mostly happy with. However, I am seeing these strange artifacts when the extruder moves along one axis in one direction - in particular from the back of the printer towards ...
11
votes
4answers
6k views

Layer delamination

I've printed mostly ABS in the past and encountered delamination between layers many times. I've ensured the following conditions regularly: Build plate is level Base of print isn't warped (using ABS ...
1
vote
1answer
118 views

Print contaminated by chips of previous filament colors

I have a flashforge creator dual. From time to time while printing a model I notice when there are abrupt changes in direction, that a few "Grains" of old filament fall out from the head. Generally ...
8
votes
4answers
15k views

What are the ideal print conditions for polypropylene?

I'm having a lot of trouble printing polypropylene right now, and I think it may have to do with the conditions. I'm using a very thin coat of ABS on the base plate (just as you would do when printing ...
9
votes
4answers
891 views

Why is my print displacing along the y-axis by 2-3 cm?

I am encountering a problem with this ID3 printer using ABS -- at some point during the print the print head displaces on the y-axis by 2-3 centimeters. I cannot pinpoint how or why it is doing this. ...
5
votes
1answer
592 views

How to compensate for bad quality filament?

Bad filament with changing diameter causes an uneven flow of plastic out of the nozzle. Besides buying very high quality filament (do we really want to be dependent on professional Filament producers?)...
4
votes
1answer
1k views

Printerbot printing stringy

My Printrbot is always printing stringy, despite changing the setting on my z probe by entering command M212 Z-.1 through Z-1.5, with and without a heated bed. My prints look roughly like the one on ...
10
votes
2answers
9k views

How can I improve the overhang angles my printer can successfully print?

Using an FDM printer and PLA or ABS, without adding support material. What modifications can I make to improve how steep an overhang my printer can print before it starts having problems? The obvious ...
7
votes
2answers
6k views

How small can I expect FDM 3d printers to print?

I was wondering if this printer(daVinci 1.0) had the ability to print very small objects, like insects, coins, or small nuts. (About the size of 1 -2 cubic centimeters) Here is a link to the printer ...
21
votes
2answers
1k views

Mushy small top layers?

I just added a fan to my printer because very small layers seem to come out very badly. For example, the 5mm PLA cube that's the top level of the test shape shown below. Watching closely, I can see ...
14
votes
1answer
3k views

How to improve face that are printed on support?

Is there anything I can do to improve the bottom side of surfaces that are printed on support? I always try to rotate the model so that surfaces that need to look nice are on the sides or top, and, ...
10
votes
1answer
755 views

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 ...
9
votes
1answer
1k views

How thin can my extrusion be from a 1.2mm extruder?

I always assumed that the smallest diameter that you could extrude was equal to the diameter of the extruder tip itself. Recently I heard that you can actually extrude a line that's as little as half ...
9
votes
4answers
354 views

What can cause a sudden and dramatic loss in the inter-layer registration of my prints?

Suddenly, my printer has started producing prints that have a very pronounced layering. Normally, the alignment between layers is very good, and the prints look very smooth. Suddenly, the prints have ...

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