Questions tagged [rafts]

For questions about rafts, the layers of plastic generally applied before the start of a printing operation to allow for easy removal of the finished print.

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28
votes
2answers
20k views

What are main differences between rafts, skirts and brims?

I would like to understand the differences between rafts, skirts and brims. They appear in the software which I'm using to edit my 3D objects. Can anybody elaborate what are these and what are the ...
16
votes
3answers
65k views

When should I use a raft, when should I use a brim?

Taken from the answer provided by @EricJohnson, When should I use a raft, and when should I use a brim? What advantages does each have over the other? Raft Brim
12
votes
4answers
2k views

How to easily get rid of rafts and support structures?

My printed parts consist rafts, supports and other extraneous filament when printing with ABS or PLA. What are efficient general techniques of removing them?
10
votes
5answers
6k views

Lines of PLA not sticking to the bed

When I am printing objects that have a lot of surface area on the first layer parts of that layer will rise up causing there to be gaps in the first layer. Here are two pictures. The first one was ...
7
votes
4answers
4k views

Raft hard to remove?

I've been having a hard time lately getting the raft off of my ABS prints. Is that a symptom of either a nozzle or bed that are too hot? Or is there some other factor I should be looking in to? I ...
6
votes
3answers
724 views

What exactly does automatic bed leveling do?

I get the concept of automatic bed leveling...the printer moves around the bed and uses a sensor to identify high and low spots, then "software compensates for differences". But what exactly does "...
5
votes
3answers
678 views

What tweaks do slicers use to get rafts to stick?

I've always had trouble getting prints to stick directly on my bed, but had great reliability when use rafts. This didn't present a problem when I was using PLA, but I recently got a roll of PETG and ...
5
votes
1answer
387 views

Getting a Cura Raft to stick to the object more firmly (for ABS)

I have been have a problem printing ABS with Cura on an Ender 3. I am getting good bed adhesion on the raft, but the object on top of the raft easily curls off it. See photo below. Settings: Bed ...
5
votes
3answers
2k views

How should I go about printing easily removable rafts?

I have had a 3d printer for a while now, and I have a lot of the quality settings dialed in pretty well, but one thing that constantly bugs me is removing the raft from my finished prints. I am using ...
4
votes
2answers
2k views

Raft warping (Makerbot Replicator+)

Quick thing: Please tell me if I misuse any of the terminology On a replicator+, I have been printing successfully for a while, when suddenly the raft started to warp. I was doing a bunch of models ...
4
votes
1answer
4k views

When to use Wave Bonding vs Raft on a 3D print?

I use a Micro3D printer, running on OctoPi (yay!) (although this question should be relevant to any 3D printer that offers these features) and have options for raft and wave bonding. Are there best ...
2
votes
2answers
2k views

Setting up a brim/raft for only a portion of the overall print

I'm trying to build an assembly with one larger part (about 50 mm x 50 mm), two small parts (about 10 mm x 5 mm) each, and one part that starts with two 2 ...
2
votes
0answers
86 views

Alternative raft generation

For some recent prints I have been using rafts as generated by Cura to aid in bed adhesion; which helps, but is not as reliable as I'd like it to. However, it seems to me that the raft generation ...
1
vote
2answers
289 views

Why did my print fall off its raft?

I just set up a refurbished MP Select Mini V2 and tried to print the test file included by the manufacturer, cat.gcode, from the included SD card. I printed in PLA (...
1
vote
1answer
440 views

Ender 3 first layer of ESD PLA printing on raft fails

I was asked to print something with ESD PLA and the first layer, on a raft, is coming out like this: Nozzle temperature was 220 °C and I'm using the default Cura draft profile. Can you ...
1
vote
2answers
76 views

Sketchup designed object printing first layer incorrectly

I am a 3D printing beginner but wanted to get stuck in straight away and design my own 3D objects. I used Sketchup to design a badge of one of my logos. I make sure that all faces of my object are not ...
1
vote
0answers
39 views

Supports and raft hard to remove Up Mini Printer

I have an Up mini printer and the raft and supports are often really hard/seemingly impossible to remove from the model. I read that this could be because the Up prints at high temperatures, however, ...