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anetzer · (This post was last modified: 02-11-2021 04:19 PM by anetzer.)

Hello,

enclosed please find the source file (.skp for SketchUp) and the .stl data for an overlay for the DM4x hardware.

I have also attached photos. I have however rotated the enclosed 3d files after printing these specimens so that a new print will put the rougher side below and the smooth side up.

I have used the Swissmicros specifications for design:

https://technical.swissmicros.com/graphi...y_DM42.PDF

I hope you find this useful.

Greetings,

Andreas

Craig Bladow · 02-11-2021, 08:00 PM

Very nice! If one was able to switch filament colors mid-print, then legends should be possible.

anetzer · 02-11-2021, 08:55 PM

(02-11-2021 08:00 PM)Craig Bladow Wrote: Very nice! If one was able to switch filament colors mid-print, then legends should be possible.

Prusa i3 MK2.5S & MK3S/+ Multi Material 2S upgrade could do up to 5 colors...

striegel · 02-11-2021, 09:07 PM

(02-11-2021 08:00 PM)Craig Bladow Wrote: Very nice! If one was able to switch filament colors mid-print, then legends should be possible.

Don't be afraid of editing .gcode files. If your slicer can show layer-by-layer, then you can figure out when to insert a pause to switch filaments mid-print.

Alan

Craig Bladow · 02-12-2021, 01:24 AM

(02-11-2021 08:55 PM)anetzer Wrote: Prusa i3 MK2.5S & MK3S/+ Multi Material 2S upgrade could do up to 5 colors...

I have a Prusa MK3S which after this weekend will be a MK3S+. I believe you can schedule manual filament changes in the slicer software without the Multi-Material upgrade.

Craig Bladow · (This post was last modified: 02-12-2021 11:20 PM by Craig Bladow.)

I ran a quick test, see attached. The results could be improved by using a smaller nozzle than the 0.4 mm used here and perhaps PLA vs. PETG (used here) which is a little more stringy.

HP67 · 03-11-2021, 11:07 PM

Almost to the point of 3D printed double shot keycaps! Things are looking up!

SAllendorf · 03-12-2021, 06:46 PM

In addition to the ability to change colors at a specific layer, it is also possible to approximate double shot keys by using a color change mid-layer. Essentially, you print all of the key backgrounds, leaving letter-shaped holes. Then you pause, change filament, and continue the print, which then fills in the letter-shaped holes with the second color.

I have a video bookmarked somewhere showing the entire workflow for doing something like this, if anyone is interested.

Craig Bladow · 03-12-2021, 11:18 PM

(03-12-2021 06:46 PM)SAllendorf Wrote: I have a video bookmarked somewhere showing the entire workflow for doing something like this, if anyone is interested.

I'm interested!

SAllendorf · 03-13-2021, 07:01 AM

(03-12-2021 11:18 PM)Craig Bladow Wrote: I'm interested!

https://www.youtube.com/watch?v=YS2s9fNvux8

The narration is in French.

Sylvain Cote · 03-13-2021, 12:05 PM

(03-13-2021 07:01 AM)SAllendorf Wrote:
(03-12-2021 11:18 PM)Craig Bladow Wrote: I'm interested!

https://www.youtube.com/watch?v=YS2s9fNvux8

The narration is in French.

Merci, très instructif. / Thank you, very informative.

MikeSD · 01-26-2024, 04:41 PM

(02-11-2021 08:00 PM)Craig Bladow Wrote: Very nice! If one was able to switch filament colors mid-print, then legends should be possible.

Whywould you have to switch mid print. Just do it in two passes.

EugeneNine · 01-26-2024, 09:42 PM

It depends on how thick the print is, i.e. how many layers. If you go more than a couple layers between switching colors then the nozzle will drag on the outer layer.

Ideally you print layer 1 color 1, layer 1 color 2. Then layer 2 color 1 layer 2 color 2, then layer 3 color 1, layer 3 color 2. etc.

I want to replace the mainboard of mu printer with a dual extruder for dual colors.

Craig Bladow · (This post was last modified: 01-27-2024 02:00 AM by Craig Bladow.)

Since this thread began I now do two prints, one over the other. The first one is one layer high, the second print is printed on top. See the photo.

thenozone · 01-27-2024, 11:44 PM

looks very good

RPLman · 01-28-2024, 12:48 AM

Hi Andreas,
I was more interested in your screen shot, cool offimg and chance of sharing.
Thanks

(02-11-2021 04:05 PM)anetzer Wrote: Hello,

enclosed please find the source file (.skp for SketchUp) and the .stl data for an overlay for the DM4x hardware.

I have also attached photos. I have however rotated the enclosed 3d files after printing these specimens so that a new print will put the rougher side below and the smooth side up.

I have used the Swissmicros specifications for design:

https://technical.swissmicros.com/graphi...y_DM42.PDF

I hope you find this useful.

Greetings,

Andreas

**rprosperi** · 01-28-2024, 02:35 AM

(01-28-2024 12:48 AM)RPLman Wrote: Hi Andreas,
I was more interested in your screen shot, cool offimg and chance of sharing.
Thanks

Lots of similar ones starting here:

https://forum.swissmicros.com/viewtopic.php?t=2214