Enhancement request: When using print by object, print tallest object last without collision detection and allow override #681

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MrUnknownDE · 2026-04-05T16:25:49+02:00

MrUnknownDE commented

2026-04-05 16:25:49 +02:00

Originally created by @tastyratz on 2/20/2026

Is there an existing issue for this feature request?

I have searched the existing issues

When trying to print multiple files in by object order instead of by layer there is often a problem with collision detection preventing a print due to one object or assembly being too tall. This might happen when multiple small parts and a tall part are printed that couldn't possibly collide if printed in sequence. It also often includes an object that is too tall for collision detection in any order.

Which printers will be beneficial to this feature?

All

Describe the solution you'd like

There is no need for collision detection and height restrictions to be enabled on a print by object job on the last object or assembly to print, nothing prints after it that you can crash. This should be disabled on the final object.

An Object or assembly that is taller than collision detection maximum allowable height should automatically be printed last when using print by object ordering. Otherwise, the standard ordering logic by color and location should be used.

In addition, perfectly printable jobs can sometimes be caught by this conservative safety mechanism. There should be an option to bypass warnings with an additional button to either "slice - bypass warning" or "print - bypass warning". A confirmation pop up would be sufficient saying "Are you sure? that this could damage your printer".

Describe alternatives you've considered

No response

Additional context

I believe this will resolve fully or partially multiple similar requests including these:
https://github.com/OrcaSlicer/OrcaSlicer/issues/6601
https://github.com/OrcaSlicer/OrcaSlicer/issues/6828
https://github.com/OrcaSlicer/OrcaSlicer/issues/11405

And possibly several others indirectly.

*Originally created by @tastyratz on 2/20/2026* ### Is there an existing issue for this feature request? - [x] I have searched the existing issues ### Is your feature request related to a problem? When trying to print multiple files in by object order instead of by layer there is often a problem with collision detection preventing a print due to one object or assembly being too tall. This might happen when multiple small parts and a tall part are printed that couldn't possibly collide if printed in sequence. It also often includes an object that is too tall for collision detection in any order. ### Which printers will be beneficial to this feature? All ### Describe the solution you'd like There is no need for collision detection and height restrictions to be enabled on a print by object job on the last object or assembly to print, nothing prints after it that you can crash. This should be disabled on the final object. An Object or assembly that is taller than collision detection maximum allowable height should automatically be printed last when using print by object ordering. Otherwise, the standard ordering logic by color and location should be used. In addition, perfectly printable jobs can sometimes be caught by this conservative safety mechanism. There should be an option to bypass warnings with an additional button to either "slice - bypass warning" or "print - bypass warning". A confirmation pop up would be sufficient saying "Are you sure? that this could damage your printer". ### Describe alternatives you've considered _No response_ ### Additional context I believe this will resolve fully or partially multiple similar requests including these: https://github.com/OrcaSlicer/OrcaSlicer/issues/6601 https://github.com/OrcaSlicer/OrcaSlicer/issues/6828 https://github.com/OrcaSlicer/OrcaSlicer/issues/11405 And possibly several others indirectly.

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Reference: github/OrcaSlicer#681