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When I cut a solidified object (with Alt-b) to see how it looks inside - its walls look hollow (see picture) on the cut plane (but remain solid were they were not cut). How can I make the walls look solid/full also on the cut? (Blender version 2.82.7)

enter image description here

user1876484
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    you could use a boolean object (that you make transparent), but why are you using alt B? – moonboots Sep 13 '20 at 20:53
  • Because it's easy, fast and reversable. And you don't have to introduce unnecessary objects (just to create an inner view, not really to modify your main object). – user1876484 Sep 13 '20 at 20:58
  • https://blender.stackexchange.com/questions/50252/can-i-fill-an-empty-object – Duarte Farrajota Ramos Sep 13 '20 at 22:03
  • yes but why do you want to create an inner view? It might help to find a solution. Alt B can only work in Solid mode. I don't think there's any other way than boolean – moonboots Sep 14 '20 at 03:28
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    Alt B is only for looking inside and see how things are. And effectively, this is hollow. If was rendered solid that shouild be misleading as the geometry is not solid. – lemon Sep 14 '20 at 07:49
  • @moonboots: I want to create an inner view just to know how things look inside. Sometimes I would make such cuts, take screenshots and send them to others so they can follow. It's not that I want to cut the object permanently. This cut is not a part of design (only for looking inside, like lemon wrote it). Looks like it is impossible just to look inside and have walls cuts solid... – user1876484 Sep 14 '20 at 08:00
  • It is possible but you have to use another object's geometry (with the boolean modifier for instance). As stated before in the comments the workflow you are using is not supposed to introduce new geometry – Gorgious Sep 14 '20 at 08:25

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The only way to do this is by using a boolean modifier (which is non-destructive and reversible, until you apply the modifier, so just don't ever apply the modifier). The object that you use to drive the boolean can be hidden the whole time, and you can quickly toggle the visibility of the effects of the boolean modifier by clicking the buttons at the top of the modifier; camera button disables visibility in the render, and desktop button disables visibility in viewport. So you can just always keep the render visibility off, and keep the viewport visibility usually off but quickly toggle it on for those screenshots by just clicking the button and then toggle it back off. It's not as quick as Alt-B, but it effectively does exactly what you're explaining you want in the question and in your comments.

christsdude
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