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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12
votes
2answers
3k views

Second layer: gaps, poor adhesion - why?

I'm seeing the following pattern on my Prusa clone: The first layer prints OK, layer adhesion to the bed is good. The second layer shows the weird gaps. On larger pieces, or with an increased feed ...
9
votes
3answers
540 views

Which type of extrusion problem?

I'm a novice in 3D printing. I have a Lulzbot Kittaz 3D printer with a hexagonal hot end of 0.35 mm. I have printed a test subject, and while I was printing I encountered this extrusion problem. ...
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. ...
10
votes
2answers
379 views

Print fails at perpendicular boundaries

I recently changed the printhead on my DeltaMaker from stock to an E3D Lite6, and am struggling to get back to my original quality, reliability, and repeatability. I thought I had gotten the recipe ...
5
votes
3answers
197 views

Does the amount of figures on the board matter?

When 3D-printing on an 20*20cm, I've heard that the quality of the printings get worse if I fill out the board... Is it true? Should I keep it to small amounts at the time or doesn't it matter?
8
votes
1answer
6k views

First (bottom) layer has gaps

First off - I'm rather new to this and I might be on the wrong track altogether... I'm printing PLA using a simple DIY XYZ printer with a direct-driven extruder, 0.3 mm nozzle, 0.2 mm layer heights, ...
7
votes
3answers
3k views

I am experiencing some severe under extrusion

I did calibrate the extruder to extrude exactly 50/100 mm and it is fine. I have replaced the old (prehistorical) extruder that was giving me the problem with a new one. The issue does not go away. It ...
7
votes
3answers
2k views

Why does print fall apart at beginning of top layer?

I'm looking for any idea of what could cause this problem. I'm printing (1.75mm PLA @ 220C) a 14cm x 14cm box, sliced with Simplify3D. Relevant settings are 3 bottom layers, 3 top layers, 3 outline/...
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 ...
4
votes
3answers
3k views

Setting Resolution?

Hello I have a Prusa I3 I am currently able to get press fit parts with my current settings. I am using Ramps 1.4 hardware and repetier software and cura as my slicer. I am printing with a .2 mm layer ...
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. ...
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 ...
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 ...
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 ...
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 ...
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 ...
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
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 ...
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, ...

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