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H i , i wanted to transform an object ( a cube ) which booleaned in different mode by another object ( an sphere) the way that it moves with out change , i found if i parent the second object to the first one , it will move with the base object but the problem is when i moving the base object , blender calculates the boolean each time which is time consuming , consider that i don't want to apply boolean (stay parametric) , my purpose seems like to be a riddle , but it's not , im creating parametric architectural elements which need to move , and if there is any possible workaround feel free and leave an answer .

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    $\begingroup$ If the boolean should stay dynamic as you assert, you can tray to speed things up by simplifying the two objects that are booleaning. Maybe if you can share a image, a blend file, other ideas can come up... Anyway, when you render the movie, the speed should be correct. $\endgroup$
    – Carlo
    Jan 7, 2022 at 20:46
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    $\begingroup$ did you try the boolean "fast" button? speeds up a lot in my test... $\endgroup$
    – Chris
    Jan 8, 2022 at 4:16
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    $\begingroup$ @Chris guys very thanks for your helps , but this is more like a generic question , the fact that a booleaned object doesn't need to be calculated each time we transform it in new location idk should i post this on rightclick select maybe ? $\endgroup$ Jan 8, 2022 at 6:13
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    $\begingroup$ Maybe open a feature/improvement request for Blender $\endgroup$
    – Chris
    Jan 8, 2022 at 6:24

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You could move the objects being boolean'd into a new collection, leaving the boolean objects in another collection. Then go to Add>Collection Instance>[collection name]. The collection instance can be moved without lag whilst still being editable by editing the original.

These objects consist of half a million vertices with no lag.

enter image description here enter image description here

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    $\begingroup$ woah! didn't expected someone to find the answer , but i didn't quite understand it , maybe because of my lack of knowledge , $\endgroup$ Jan 9, 2022 at 5:45

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