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I'm looking to print multicolor without the transition tower.

I want to slice in CANVAS without the transition tower or side transitions, I just want to print the model as is, like the gradient mode and random mode that exist on the palette itself.

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Hey @cameronbuckley, is the model you want to print in multi-colour? If so, then it must be printed with a transition tower or using side transitions (if your nozzle is able to move off the bed). If you want to print the model in multi-colour, but using gradient or random mode, then you can simply transfer the GCode to Palette and select to print in one of these modes (instructions here). You do not have to slice the model in CANVAS beforehand. Let me know if that helps!

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Well I guess I'm thinking like how can I create a more directed gradient, so for example if I have a multi-material model, is it possible to say "gradient to this color for this part of the model, then gradient for this part"? I use Canvas HUB to handle my prints, can I do gradient prints on that, or do I need to send to the SD card?

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Hey Cameron, while you can control how drastic the gradient is by changing the maximum and minimum splice lengths (mm3d.co/p2gradient), you cannot assign gradients to certain parts of the model, as CANVAS is not involved in the workflow for this type of print.

While you should be able to control your printer via the Hub during a gradient print, you cannot start a gradient print from the Hub page, as you have to go through the Palette screen to input the starting and ending lengths of filament, as well as the maximum and minimum splice lengths.

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If you are using a Prusa MK3S with the p2pp add in code for the Palette, you can do exactly what you are talking about. I was able to remove the purge tower and just let the gradients happen in the model.

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I had seen this new technique called programmable filament:

https://newatlas.com/3d-printing/program...

https://www.youtube.com/watch?v=pNeKJnb-...

where they use a regular 3d printer to pre-print the filament with the multiple colors (including possible mixes) and then use that printed filament to print the multicolor object. I think we could do the same with the palette. If we used the same programmable filament technique, the spliced output filament without the transition tower would be exactly the same and no manual change of filament required. But in order for that to work, I would need Canvas to offer the option to include neither transition tower nor side transition. Currently, it is required to pick one. Wouldn’t that be an easy enhancement?

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I believe that mosaic manufacturing can do update to Palette code, in order to calculate the filament been use and program precise changes to avoid the amount of filament been waste.

I believe the only issue is to calculate the color mixing in the extruder melting chamber and only this amount of filament been in the waste tower.

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I think that could be achieved by doing pairwise calibration. Today, they only asks to do calibration once for any first color in the print. That helps Palette but not enough for it to "understand" the mixing. Instead, we could do, two calibrations per filament/color pair. Example: filament A is red, filament B is yellow.

Calibration 1:

Insert filament A, until it shows clearly in the nozzle output, i.e. pure A no mixing.

Remove filament A

Then do a usual printer calibration step where the incoming filament is B, until it shows up in the nozzle. This gives the A to B parameter.

Calibration 2:

Insert filament B, until it shows clearly in the nozzle output, i.e. pure B no mixing.

Remove filament B

Then do a usual calibration step the incoming filament is A, until it shows up in the nozzle. This gives B to A parameter.

The two calibrations can be optimized and combined. And the procedure can be extrapolated to 4 filament colors and automated by Palette.

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Cameron Buckley will be eternally grateful.
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