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11 votes
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What is stopping us from mixing 3D filament colors in an Extruder?

I just started with google and phrase "3d printing color mixing" and on the first place (in fact first two were valueless adverts) I got this Instructables - DIY Full Color Mixing 3D Printer. How it ...
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10 votes

Could nail polish damage pure PLA?

This is an ugly question, and an ugly answer. Nail polish doesn't come with an ingredient list. Nor are there MSDS's available to refer to what solvents are in it. So it's "unknown 1" Most every ...
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9 votes
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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

What is stopping us from mixing 3D filament colors in an Extruder?

The three in one print head is the closest to your concept of gradient printing and does some nice transitions. But does not meet your color mixing. Which I assume your looking for there is ...
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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 votes

What is stopping us from mixing 3D filament colors in an Extruder?

A Kickstarter campaign just finished for a full color 3D FDM printer, the RoVa4D Full Color Blender 3D Printer. It used CYMK printing and includes black and white filament for 5 color filament feeds, ...
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5 votes
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What and how much does coloring in the filament affect in the print?

At this point in time I don't think there is a need to be concerned with purity of filaments based on pigmentation. For the most part, variations in filament quality due to coloring should be the ...
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  • 6,214
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
5 votes
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What is the best color of PETg to use for outdoor durability?

Unless you plan to use your copter outside Earth atmosphere or expected lifetime is more than tenths of years, UV degradation should not be a problem for PETG. Some of the net sources indicate the ...
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5 votes

What is stopping us from mixing 3D filament colors in an Extruder?

Branching off of TomvanderZanden's answer, this process cannot easily be done with an extruder alone. To properly color polymers, a pigment must be added during the initial treatment process (...
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  • 6,214
5 votes

What is stopping us from mixing 3D filament colors in an Extruder?

As darth_pixel points out, people have had limited success with feeding multiple colors into a diamond hotend and mixing them, but I would argue this is not truly what you're looking for. The problem ...
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4 votes

Methods for applying full color graphic decals to the surface of a 3d printed part?

Industry has for years used a 'pad printer' to put images on complex shapes, like plastic or ceramic travel mugs, etc. I have observed these, but never used one. I see no reason why there couldn't ...
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  • 41
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

Could nail polish damage pure PLA?

Nail polish will not damage your PLA model. 1) Let's talk about "gel" nail polish. Gel polish self-levels, does not drip, is cheap, is much more health-friendly than many finishing methods, and only ...
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  • 41
3 votes
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Does color changing PLA require a hardened nozzle?

The color changing material used in the filament is most likely a Leuco dye. There are several types and some can be abrasive (just like the glow in the dark dyes); but, they aren't like putting sand ...
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  • 2,412
3 votes

Methods for applying full color graphic decals to the surface of a 3d printed part?

I think this will work for you... Laser Printer Image Transfer: Print reverse image with color laser printer on regular paper. Apply Mod Podge or artist arcylic or artist matte gel to the 3d printed ...
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3 votes

What actual dyes are used in filaments?

I spoke with a chemist tonight. He said to start with the SDS (or MSDS) for the filament, which is required to be available for most materials. It should list the pigments and additives if they ...
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  • 4,418
3 votes

What actual dyes are used in filaments?

No Dyes at all. Your question is based on a misconception: A dye is a coloured substance that chemically bonds to the substrate to which it is being applied, this distinguishes dyes from pigments ...
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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
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How are SLS printers able to print multiple colours?

The Z-corp/3D systems printers lay down what is essentially ink in each layer (only around the perimeters) much like an inkjet printer, dying the powder as the parts are made. This means they can make ...
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  • 417
2 votes
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Could nail polish damage pure PLA?

NO if you want to smooth your print, gently heat the plastic and with a utensil smooth out the plastic. A hair dryer is a good way of doing this but be careful to only lightly melt the outside of the ...
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2 votes

Could nail polish damage pure PLA?

I would not expect a problem. The greatest problem I would expect would be if the PLA layers were not well bonded, and the coating material could work in between layers. If so, over time the ...
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  • 4,418
2 votes

Why isn't any color showing up in my .3mf file in Windows 10 3D Builder

Per the 3MF Specification, colors in the .3mf files are sRGB. If you are looking at gross color defects, I would look a the raw codes generated in the 3mf to make sure they make sense. If you are ...
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2 votes
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Is there a way to print on a 3D printed surface?

Rather than post a series of links for various services and vendors, consider to use as a search term "hydrographic film at home" to find results to suit your purpose. The first search results I found ...
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2 votes

true color printing with CMYK+White (not 3-in-1 diamond head RGB)

You may be a bit misled here. First of all, you do not want "RGB" , as those are additive colors such as used when combining light sources. You do want "RYB" (red-yellow-blue) or the more accurate ...
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2 votes

Filament mixer?

OK, it just turned up on Thingiverse that someone has demonstrated a trivial machine to do exactly what I asked for: any FDM printer. Its sounds crazy, but it works! This technique will allow you to ...
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2 votes
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Which connectors should I use to connect my Power Supply Unit to the Ramps?

You're quite right :) L (AC): Brown colour. Single Phase line or Three Phase Line (L1) N (AC): Blue colour. Neutral GND: Green and yellow colours. Protective earth or ground (PE) COM: DC Negative (...
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  • 253
2 votes

Use inkjet cartridge to color filiment?

I don't think it makes a lot of sense - you don't need that kind of resolution, and getting a sufficient amount of ink that way to coat the filament would be hard. If you're going to be switching ...
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2 votes
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How to achieve ombré (or shading) effects?

The ability to shade 3D printed objects is dependent on the printer, the plastic in use, and available dye. Several vendors offer filament with a gradient or rainbow-colored patterns, so that printed ...
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  • 667
2 votes
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Is it normal for clear resin to lose transparency after curing?

This happens to most resins and the amount of haziness is directly related to the type of resin. Not all clear resins do this mind you, but it has to do with the curing sprlectrum of light(natural ...
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