Prevent traveling across the front face, ie the money face that needs to be perfect

[stang1966gt]

Is your feature request related to a problem?

The nozzle travels across the exterior face of the part. The front exterior needs to look perfect.

Describe the solution you'd like

Would like to have a Money Face feature that prevents the nozzle from traveling across the front face. Likewise, have the nozzle do the exterior face in one pass.

Describe alternatives you've considered

Adjusting all the Combing modes, It still makes small makes across the exterior face but to varying degrees.

Setting the Zseam to the back of the model helps prevent blobs across the face. Back, Back Left, Back Right still creating travel paths across the front face

Z Hop can help but this seams to add time and a retraction.

Outer Wall First - Helps make the front face in one path with better quality

Affected users and/or printers

Everybody trying to make a show piece print with no blemishes.

Additional information & file uploads

CCR10_SuperVee 3Wall CURA MONEY FACE.3mf.zip

[GregValiant]

That is called a "Show Surface" or a "Class A" surface.

You have supports growing on both sides of the model. You can dictate the model Z-seam and the Layer Start position, but the nozzle must cross the model to get to the support on the other side.
That's what these two travel lines are doing.

I suppose you could create a toolpath that would move orthogonally to the extreme edges of the build plate after every support feature, but that would at least quadruple the print time and leave a lot of time for the nozzle to ooze. That might make the problem even worse.

This is very much a "niche" request and has a lot to do with the specific shape of a model, the size, and how it is oriented on the build plate. I don't know if it would be possible to create a one-size-fits-all solution for this.

It also seems that Cura can be configured so the problem doesn't exist.
With this setup there are no travels across the part, but there are still travels between the "pieces" of inner-wall.