Add Feature to disable snapping to buildplate #1213

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MrUnknownDE · 2026-04-05T17:01:26+02:00

MrUnknownDE commented

2026-04-05 17:01:26 +02:00

Originally created by @Xipit on 1/1/2026

Description

This addresses #8194

Introduces a new .3mf wide flag to enable/disable snapping to buildplate (internally ensure_on_bed)

defaults to true for new projects
is visible in the Move UI (see screenshots)
applies to all features that use ensure_on_bed()

Why implement it this way?

My goals here where to add an easy-to-understand feature that does not add clutter or confuses users.

Is placed in Move UI to be easily discoverable plus it makes thematic sense. Adding a Checkbox to every place where the setting is used would add way too much clutter. Instead i opted to add a comprehensive tooltip to explain where it is also used.
The option is saved project-wide, because users only need it for specific projects. Saving it per-object would make UI more complex than necessary. Adding an option for every feature to enable/disable would lead to unnecessary clutter.

Minor changes

removed ensure_on_bed() from being called every time an object is scaled (using the gizmos). Now snaps to buildplate only after scaling is finished.

Screenshots/Recordings/Graphs

Tests

*Originally created by @Xipit on 1/1/2026* # Description This addresses #8194 Introduces a new .3mf wide flag to enable/disable snapping to buildplate (internally `ensure_on_bed`) * defaults to true for new projects * is visible in the Move UI (see screenshots) * applies to all features that use `ensure_on_bed()` ## Why implement it this way? My goals here where to add an easy-to-understand feature that does not add clutter or confuses users. * Is placed in Move UI to be easily discoverable plus it makes thematic sense. Adding a Checkbox to every place where the setting is used would add way too much clutter. Instead i opted to add a comprehensive tooltip to explain where it is also used. * The option is saved project-wide, because users only need it for specific projects. Saving it per-object would make UI more complex than necessary. Adding an option for every feature to enable/disable would lead to unnecessary clutter. ## Minor changes * removed `ensure_on_bed()` from being called every time an object is scaled (using the gizmos). Now snaps to buildplate only after scaling is finished.  # Screenshots/Recordings/Graphs <img width="431" height="203" alt="image" src="https://github.com/user-attachments/assets/e7080adc-b7b5-49f4-aff6-c859bac9b136" /> <img width="470" height="239" alt="image" src="https://github.com/user-attachments/assets/371e4ae8-f410-42b7-8fa6-4b56f2bc6ab4" />  ## Tests

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Reference: github/OrcaSlicer#1213