9 votes
Accepted

Multi-color printing with desktop 3D printer?

The most obvious solution is to pause the print and swap filament for another color. Another option is to splice pieces of filament together, though this does not allow very precise control of when ...
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8 votes
Accepted

How to configure Marlin to enable auto-fans with dual extruder

After trying many different things, I found out that the solution is quite simple and requires only a few lines of code. I'll answer my own question in the hope that this will help someone. First, I ...
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  • 171
7 votes
Accepted

Is it necessary to have both hot ends on a dual extruder printer at the same height?

I have a dual extruder Replicator 1 and having the nozzles at the same height is a must and albeit a bit of a struggle otherwise. At one point, I had to disassemble my extruder head and the nozzles ...
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  • 6,214
7 votes
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How to choose printer with dual extruder?

As you suggest yourself, ordering test prints of some model is one way to do it. 3D Hubs and MakeXYZ allows you to get your model printed by hobbyists and small businesses for a fair price. Both ...
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7 votes

Multi-color printing with desktop 3D printer?

I've seen where certain slicers and/or firmware installations will allow you to set pauses mid-print so you can insert a different filament and resume. Such firmware that I'm aware of is Sailfish. I ...
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  • 6,214
6 votes

Levelling heads for dual extruder

Two good options for ROUGH alignment: For threaded thermal barrier type extruders: use a leveling jig like this while the extruders are disassembled: http://www.thingiverse.com/thing:23013 For ...
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  • 6,446
6 votes
Accepted

Levelling heads for dual extruder

Make sure that the bed is level. As the saying goes, a level bed is next to godliness or something like that. Pay extra attention to the direction the nozzles are offset by (if one nozzle is offset on ...
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  • 513
5 votes

Dual extruder unused nozzle is breaking prints

I started this as a comment, but it got too long. I have been working for much too long on a multi-extruder printer, and so I understand that the fixed, dual-head designs are somewhat fraught with ...
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  • 4,418
5 votes
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Is a dual extruder a reasonable choice for all-purpose printing

Not an expert by any means but I can’t see any reason you couldn’t use one half of a dual extruder. The benefits of not using one though would be decreased extruder weight. Especially given that this ...
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5 votes

Looking for a material so I can make ABS parts with rubber grips and feet

Ninjaflex dual-extrudes great with ABS. I've done a fair amount of NF/ABS dualstrusion. Frankly, any TPU will probably work, since molten polyurethane sticks to practically anything. The main ...
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  • 6,446
5 votes

Multi-color printing with desktop 3D printer?

Another approach is Mosaic Manufacturing's Palette – it appears to a single extruder 3D printer as a filament reel, but it is creating a custom filament on-the-fly by pulling information from a ...
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  • 326
4 votes

Multi-color printing with desktop 3D printer?

Answering this question fully depends on the type of printer you have. Some printers have a pause capability, while others do not. Some have multiple extruders, while most do not. Some have a tube ...
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4 votes

Is it necessary to have both hot ends on a dual extruder printer at the same height?

I don't have dual extruder printer myself, but to my understanding having both nozzles leveled at the same height is critical for getting successful prints. For typical FDM printers, the lowest point ...
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4 votes

Levelling heads for dual extruder

Another option, that I found was the simplest one that worked for me: Level your bed using just the first nozzle (temporarily lock the 2nd nozzle higher than the 1st one). Move the printhead at the ...
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4 votes

Prusa i3 Dual Extruder Setup Issues

Thanks to the comments, I was able to narrow down the specific issues in the firmware. The firmware version was really out of date, so I recommend finding the latest stable version. Therefore, I ...
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  • 441
3 votes

Is a dual extruder a reasonable choice for all-purpose printing

This may be too late to help, but I wanted to describe my own experience with the Lulzbot Taz Dual Extruder v3. It was...not good. In terms of your question, I spent a fair amount of time trying to ...
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3 votes

Using two feeders at the same time

The first multi material add-on version off J. Prusa includes several separate steppers that load filament into the hot end. Note that selecting an other color will retract the existing filament so ...
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  • 30.6k
3 votes

Is it necessary to have both hot ends on a dual extruder printer at the same height?

If your printer has no way to move the heads up and down, or otherwise out of the way, and your slicer isn't able to detect collisions and account for head height differences in the produced G code, ...
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  • 1,803
3 votes

How to choose printer with dual extruder?

"Make" Magazine compares 3-D printers in a way that is as scientific as possible to help determine the strengths/weaknesses of each 3-D printer compared to others. The link to the November 2015 ...
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3 votes
Accepted

What G-code commands tell the printer to change nozzle on a dual extruder printer?

No, M108 does not do that. You are looking for T#, where # is the tool position you want: T1 ; switch to tool position 1 T3 ; switch to tool position 3 This ...
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  • 2,282
2 votes

No Z hop in Dual extruder, print getting disturbed at retraction point

It appears as though you are using (or used) an old version of Cura. More recent releases allow you to insert G-code commands on changing the extruder. You could insert a Z-hop in these sections. ...
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  • 30.6k
2 votes

Multi-color printing with desktop 3D printer?

The standard option is to change out filaments at certain times during the print. Software to add these pauses to your print automatically are around, with one (ColorPrint). This method works if you ...
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  • 417
2 votes

ooze shield vs priming tower, do you need both?

I have the same printer you do. I recall that the ooze shield is printed in alternating layers; first from E0 and then the next layer from E1. But on a given layer, I don't think that there is a ...
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  • 176
2 votes

Dual extruder clogging problem

It appears (now confirmed in your question) that you are using a Chimera 2-in-2-out hotend like depicted below: Chimera hotends generally use all-metal heat breaks (not confirmed yet) which are ...
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  • 30.6k
2 votes

Is there such thing as a sealed dual extruder hot end?

It doesn't work that way, or perhaps in some sense it already does. The "straw effect" you're describing depends on the water not being under any pressure that exceeds the outside ...
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2 votes
Accepted

Is there such thing as a sealed dual extruder hot end?

In a true dual-extruder / dual hot-end printer, having a seal isn't necessary. On my dual-extruder printer, the non-active extruder does an aggressive retraction and then drops the hot-end temp down ...
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2 votes

Can a dual extruder printer print with multiple filament types?

Yes and No Yes, if you have two full hotends, you can easily print with two filament types. Yes, if you have one hotend and both filaments melt at a very similar temperature or are the same polymer, ...
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2 votes

Can a dual extruder printer print with multiple filament types?

What you want is a dual extruder, dual nozzle, dual hot-end printer, a printer with two entire print heads. That model is mostly for color, like a black and white panda, or a green and rainbow lizzard,...
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2 votes

Dual Z-axis has different speeds (out of sync)

I'm having the exact same issue, SKR1.4 Turbo with 2209's on i3 clone and it started when I tried to enable G34 auto-alignment. I very briefly had it fixed by ...
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  • 21
2 votes

Dual-colour prints on Creator 3 are very messy, though single colour very good and nozzle alignment seems good

You have a problem with retraction or more broadly with what happens to the material in the inactive extruder while it's waiting to be used again. I'm not sure what your printer does, but there are ...
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