I'm still a beginner. Is there a way to use the sand surface as a boolean cutter to cut an object so that you pull the plane down onto the object and the plane doesn't just go through, but pushes/cuts the object away?

I'm trying to give the sand a kind of wall, but maybe there are easier ways.

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1 Answer 1


There are three options you can use as a solution:

Extrude the bottom of your sand plane and add a boolean

Select the outside Edge Loop of your plane by Double Clicking Left Mouse Button on the outside vertex or edge. (If it doesn't select the whole loop do this for all four sides by pressing Shift to keep the previous loop selected). Then Extrude down on the Z-Axis by pressing E then Z (to lock to Z-Axis) on your keyboard. Then once you have extruded to the bottom plane press S Z 0 to flatten it. Depending on which object you don't want to intersect to (if you don't want the sand to intersect with the bottom plane add the boolean modifier on the sand and vice versa if you don't want the bottom object to intersect with the sand) add a boolean modifier on the specific object of your choice (see my comment in the brackets) and set the specific object of your choice (see my comment in the brackets) as the Target Object.

enter image description here

The Soldify Modifier

You can add a solidify modifier to your sand plane and play with the Thickness and Offset to get your desired result.enter image description hereenter image description here

If you don't want the objects to intersect, follow the same boolean procedure as above. Also, if you want to get the same solidify result, place the solidify modifer on the top in all of the modifier stack.

The Boolean Modifier

You can add a boolean modifier on the bottom object, select the sand plane as the Target Object, and set the boolean to Intersect.enter image description here

  • $\begingroup$ thank you so much $\endgroup$
    – jayjo
    Jun 22, 2022 at 20:17
  • $\begingroup$ @jayjo No problem! Have fun :) $\endgroup$ Jun 22, 2022 at 20:17
  • $\begingroup$ Hey sorry, but could you please tell me how you made your sand so good or share your settings? But only if that's not too much work for you. $\endgroup$
    – jayjo
    Jun 23, 2022 at 14:58
  • $\begingroup$ @jayjo I'd recommend you search up a few tutorials for materials and particles on YouTube. As to my setup, I simply subdivided my mesh many times in edit mode (or much easier than that is to use the subdivision surface modifier) and added a displacement modifier. Then I clicked the "New" button on the displacement modifier and went to the Texture Properties Tab (The one at the bottom of the side pane with a checkerboard texture) and switched my texture from image texture to "Clouds". You can play with the size of the texture and strength of the displacement modifier to get your result. $\endgroup$ Jun 23, 2022 at 15:03
  • $\begingroup$ @jayjo To be honest, your sand looks pretty good... Check out these tutorials (or watch any of the thousands available on YouTube for free) youtube.com/watch?v=llRkz1gVz6U youtube.com/watch?v=MjM16FUMOKM youtube.com/watch?v=je8C03Yoc8A youtube.com/watch?v=TJAs395KaBU youtube.com/watch?v=xM2Nz-A3UOk youtube.com/watch?v=B5ZvPMyQuy4 youtube.com/watch?v=WCJVXkRCba0 $\endgroup$ Jun 23, 2022 at 15:09

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