Several ideas have been posted to suggest an option to completely disable automatic constraint creation in the sketches. While there are times when turning this off is handy, I don't like all-or-nothing solutions, so here is a more flexible solution: Add an option to completely disable automatic constraint creation: Personally I would like this option to be both in the Preferences and also mirrored somewhere in the "immediate user interface" where it can be toggled quickly with one or two clicks with minimal menu diving. Hold Ctrl key to override default setting: When auto constraint creation is disabled using the setting described above, holding the Ctrl key temporarily toggles this setting. Thus, if auto constraint creation is disabled, holding Ctrl enables it, and if it is disabled, holding Ctrl enables it. Add checkboxes to enable/disable individual constraints: In the sketch constraint toolbox, next to each constraint, add a checkbox to selectively prevent Fusion from creating specific constraints. Thus, only constraints that are 'checked' will be automatically created. So, for example, I usually prefer the 'horizontal/vertical' constraint over the 'perpendicular', but Fusion seems to like the perpendicular constraint. If this was implemented, I would uncheck just perpendicular constraint whilst keeping all other constraints checked (enabled). (Note: Constraints disabled this way cannot be temporarily enabled by holding down Ctrl, in other words, the Ctrl key only affects constraints that are enabled. Therefore, constraints that have been individual disabled can only be created manually.) Allow constraints to be assigned to keyboard shortcuts (maybe already in the works) In the following mock-up the coincident and perpendicular constraints have been permanently disabled and will not be excluded from auto-creation: Please comment and vote, thanks!
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