Show all posts by user

Re: Printing in color with Diamond head - 8 years ago

QuoteLymphomaniac1 This may be a dumb question, but I am just beginning with 3 color printing. How do you make the .amf file? What software do I need? Thanks, Stuart Create the different colour items in OpenSCAD(free software available at ) and export it as AMF. Then use Slic3r (http://slic3r.org/) to combine the amf files into one item and create the gcode.

by Xabbax - Reprappers

Re: Printing in color with Diamond head - 8 years ago

QuoteLymphomaniac1 So you are manually entering g-code for each color change? If you created a colour .AMF file and you use slic3r the gcode will reflect the colours(T0, T1, T2, .........) but you can change the colours while printing with Repetier-Host. Use the config-->firmware EEPROM configuration to change the values of the weight of the each extruder for T0, T1, T2, T3...... etc. This wi

by Xabbax - Reprappers

Re: Printing in color with Diamond head - 8 years ago

You may find a few tips on my website

by Xabbax - Reprappers

Re: Dual extruder Delta machine - 8 years ago

QuoteAdventprinter what are peoples thoughts on flying extruders? is it worth incorporating it at the start or something i should consider down the road once i have the machine built and running for a few prints first? It will be easier to have 3 flying extruders when you have a bigger machine than the standard delta.

by Xabbax - Delta Machines

Re: Colour mixing now a reality - 8 years ago

Quotekurosame Hi Xabbax, I really would like to recreate this effect with my prusa i3 printer. I cannot find any code example that shows how to use the M163 and M164 color mixing code. Can you share some gcode tips on the color mixing? I am currently using v92 firmware and I only need to figure out how to generate the correct gcode... thx ahead I have an example of g-code for 3 items that I pr

by Xabbax - General

Re: best full color 3d printing hotend ? - 9 years ago

QuoteNikki81 Ive been looking at trying to build a full color printer but am not sure what hotend options i have ive seen the diamond hotend but not much else ? thanks Nikki I have a Tri colour mixing all metal water cooled hotend with single nozzle that I mounted on a delta printer. If you use Repetier Firmware you have 16 different combinations(T0 to T15) for ever colour that you feed into

by Xabbax - General

Re: Full Color 3d Printer Project - 9 years ago

QuoteChicagoNative I have a question. I have read through all the posts to this topic, and I am trying to understand how the color information even would get to the G-Code in the first place. Is there a 3D file format that will hold the color information that is to be sliced? Doesn't .STL file format only support geometric information and nothing regarding color? Thanks CN Design your projec

by Xabbax - Developers

Re: Multiple Extruders for a Delta - 9 years ago

You can try a RUMBA board

by Xabbax - Delta Machines

Re: Injection molding machine - Can we do it? - 9 years ago

I do not know if this will work but anyway - Print a hollow prototype. Mix ABS pellets and acetone to a consistency that can be injected or poured in the hollow prototype. Dry out the acetone by sucking it out in a vacuum chamber. Maybe worth a try!

by Xabbax - Developers

Re: 3 way extruder - 9 years ago

I have a tri-colour hotend available at

by Xabbax - General

Re: Low cost 32-bit controller board - 9 years ago

Can you add another stepper stepper driver socket to make it 6 in total for tri-colour printing and an extra thermistor input for heated chamber measurement? How much will the extras add to the cost?

by Xabbax - Controllers

Re: Splicing colors? best way to splice filament? - 9 years ago

Quoteskynetprinter What is the best way to splice filaments? With aluminium foil -

by Xabbax - Polymer Working Group

Re: Enclosed Delta? - 9 years ago

Quotevimau I've been looking to replace a boxed (cardboard boxed) i3 with something that allows for an enclosed build area while keeping the motors/electronics outside (in order to keep them cool) It seems to me that this could be most easily/elegantly achieved with a delta, but I've not been able to find any examples. There was mention of an enclosed build area somewhere related to the Kossel

by Xabbax - Delta Machines

Re: Repetier Firmware v0.91 Rumba y-axis skipping problem - 9 years ago

QuoteKalus Very simply, at random layer heights, my Y-axis will skip and the print will shift. There is no sound like with a normal stepper skip, the axis is very smooth and it happens regardless of the speed. I have replaced my stepper drivers on the Rumba board with DRV8825, no difference. Played with acceleration, jerk, speed to no avail. It still skips, and when it does, it seems like it is a

by Xabbax - Repetier

Re: Colour mixing now a reality - 9 years ago

Quotenophead How does it achieve good mixing where Bath university and RichRap failed? I do not know if it is mixing better. The inlets are not in one plane - that may result in more swirling in the chamber where the three tubes converge.

by Xabbax - General

Re: Wipe extruder tip in a box - GCode ? - 9 years ago

Similar to the gcode command, G60 and G61 of MagoKimbra If you want to use Repetier firmware From the Repetier.ino file - M401 - Store x, y and z position. - M402 - Go to stored position. If X, Y or Z is specified, only these coordinates are used.

by Xabbax - Printing

Re: Colour mixing now a reality - 9 years ago

Not only vertical colour mixing but also horizontal colour mixing possible. I designed the article in Openscad, exported the different colour components in .amf format, then used Slic3r 1.1.7 file --> Combine multi-material STL files... to re-assemble the colour .amf files exported from Openscad to build a complete .amf file. I then used Slic3r 1.2.1 to slice the files to a g-code file that

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

Quotenophead I think you confuse me with RichRap. I have never done any colour mixing since mixing paints at school! My apologies for the confusion!!

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

Quotenophead You need the secondary colours, i.e. cyan, magenta and yellow when mixing pigments that absorb and reflect light as they are subtractive. The primary colours are used for processes where the colours add. Thank you for the input Nophead - Appreciate the expert advice - your colour mixing blog led me to experiment and try and get mine to work.

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

Quotedave3d Printing with 3 primary colours, an RGB printer in effect, would in theory allow sophisticated multi coloured art work or lettering to be incorporated within the print if the software was capable of it. This would be a game changer. Xabbax, after your earlier post I started to source the bits to make a hotend myself. I have not got very far yet. It is a fairly complicated assembly t

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

QuoteOhmarinus So, if you manage to mix two colors, do you get a new color if you are using three primary colors as base filament? That way it theoretically *should* be possible to output RGB values. Yes you can build your own colour scheme. I used the basic red, yellow and blue(Not RG In the image below I started off with red then added 10% yellow and decreased the red with 10% in stages until p

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

Quotekimented_ Hi, Your work is great and promising! I see you only change the color by the Z axis. It is not possible to change the color on X-Y ? Are you already working at this stuff? To change colour on X-Y will require a purge of the previous colour outside the print area.(or in an infill) - No I have not tried that out but it can be done if you fiddle around with the g-code.

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

A few more prints. The g-code files and EEPROM settings available at

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

Quoteekaggrat do the filaments mix properly or do you get a toothpaste effect like richard's 3 way extruder ? With the naked eye I cannot see any toothpaste effect in the .35 mm layers - I am using a .65 mm nozzle. So yes, the colours are mixing properly. ( in the limited number of prints so far)

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

QuoteUkIan Question for you: What is the clay like material you put around the hot bits? I've been looking for something like that and haven't found anything that likes hot temperatuers. Can you direct me to a picture where you see the material.

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

The hotend is my own design - an all metal Tri-colour hotend with water cooling for printing ABS in a heated chamber. More info here -

by Xabbax - General

Re: Colour mixing now a reality - 9 years ago

I played around with the three basic colours yellow, blue and red. A problem that I had was that the blue filament was a little smaller than the other two and I had to proportionally increase the feed of the blue not to under extrude the blue.

by Xabbax - General

Colour mixing now a reality - 9 years ago

Colour mixing now a reality with Repetier's mixing extruder firmware (http://www.repetier.com/firmware/v092/index.html) printing with a Tri-colour hotend. See the mixing extruder theory by Repetier at This allow you to print with 16 virtual extruders with as many filament feeds your printer can accommodate. Two prints on my delta printer with a Tri-colour hotend.(http://deltaprinter.co.za/tri

by Xabbax - General

Re: 3dr spring socket joints - 9 years ago

Quoteekaggrat i finally got my 3dr converted to use the spring socket joints from andycart's cherry pi 3. They work a little better than the traxxas joints I had. Nice work !!!!!!!!!!!! Expect a lot more people to change to this setup!

by Xabbax - Delta Machines

Re: Glass tower delta - 9 years ago

Quoteekaggrat @Xabbax what is the size of the springs used between the rods ( diameter , wire diameter , length ) i am experimenting with a similar system on my 3dr and just nned to know what is a STRONG spring? thanks Springs: diameter = 4 mm wire diameter = 0.5 mm length = 40 mm length with rod arms in position = 80 mm rod arm length = 400 mm rod diameter = 2.5 mm OD 2 mm ID with 2 mm steel

by Xabbax - Delta Machines