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Questions about the slicing program called Ultimaker Cura.

0 votes

Not printing... wrong settings?

I wonder if there is a glitch in the firmware producing this unexpected result (which I think I also observed). If you navigate to quick settings you should find preheat pla. Selecting this has littl …
Sean Houlihane's user avatar
9 votes

Seemingly random lines on the surface

This is the result of travel moves passing through/over the top surface. The combing setting can prevent this type of move (for walls, infill or top), and z-hop can avoid making any mark during these …
Sean Houlihane's user avatar
7 votes

Show the time index in Cura Layer View playback

These estimates tend to be very approximate, even if Cura has the accurate acceleration values for your firmware. An error of 100% is not unusual. What you probably want is an alarm at a specific lay …
Sean Houlihane's user avatar
2 votes
Accepted

Missing top layers in Cura

What is happening here is that Cura is struggling with the quantised extrusion width. This behaviour can be improved in the slicer, they have a issue tracked here https://github.com/Ultimaker/Cura/iss …
Sean Houlihane's user avatar
3 votes

Danger in 3D printing over a lithium ion battery

Although the bed may only reach 60°, the extrusion above the battery will be at closer to 200°C. Granted there will be a fairly low heat flux, but it will still cause ageing of the battery. At a minim …
Sean Houlihane's user avatar
4 votes
Accepted

Does Cura have an algorithm for any infill percentage or does it just have specific patterns?

Infill serves two main purposes. These don't seem to map particularly well to the available controls. Adding strength to the part The more plastic your part has inside, the stronger it will be. At le …
Sean Houlihane's user avatar
8 votes
3 answers
6k views

Missing top layers in Cura

I've just tried to make some small labels with embossed lettering. Base is 1.5 mm, with letters and a perimeter protruding by another 1 mm. After printing, I realised that Cura is not giving me a top …
Sean Houlihane's user avatar
6 votes
Accepted

Strange walls/faces when importing self made model from Blender to Cura 3

It is quite common for modelling operations to result in 'non manifold geometry', meaning that some of the faces intersect or are not perfectly joined. Although there is nothing obvious in your model …
Sean Houlihane's user avatar
1 vote

How to solve spillage problem?

I've not sliced the part in question, but the over extrusion mentioned in the third point (at change of direction/layers) is referring to ooze. This is a result of the hydraulic pressure in the melt …
Sean Houlihane's user avatar
1 vote

Anet A8 Calibrated but print sizes are wrong

If you have a stock printer, your calibration values should be stock - i.e. 100 steps/mm for X/Y. Also, as an extra hint, X and Y steps should be identical since the mechanics are identical (unless yo …
Sean Houlihane's user avatar