Form Intersections

4:43 PM, Thursday December 3rd 2020

Uncomfortable says that form intersections take a lot of time and work to understand, is anyone else completely confused about how these forms intersect? (I of course mean beginners.) And also what can I do to understand it?

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7:15 PM, Thursday December 3rd 2020
edited at 8:09 PM, Dec 3rd 2020

You need to look at the shapes that you have drawn and then use your imagination and visualisation skills to see how they interact ( there can be more than one possibility ) if they were 3d objects. Then you simply need to draw what you see in your brain over the top.

Of course it's the development of the imagination and visualisation skills that takes the time and what you are really working on here. A lot of the time you kinda guess and then check if it looks right. Over time your abilities become more intuitive.

edited at 8:09 PM, Dec 3rd 2020
7:24 AM, Friday December 4th 2020

Mhm, I get that, thanks for replying so fast!

1 users agree
10:09 PM, Friday December 4th 2020

You can create a 3D model to clear your doubts about how a certain volume intersects with another. If you want you can check my intersections library on Sketchup's 3D Warehouse:

https://3dwarehouse.sketchup.com/model/2d4f082b-42b1-4eb8-acf3-92ed84f29946/Form-Intersections

5:04 AM, Saturday December 5th 2020

Thank you so much!!

11:59 AM, Tuesday December 8th 2020

Thank you so much for sharing! This is very helpful indeed. I think more people need to know about the work you've done on creating the intersections library, because this topic can be rather mind-blowing. Especially if you don't have any reference images. I myself struggle with intersections a lot, especially when there are two rounded objects (like a cone and a cylinder) intersecting with each other, since they are rounded this particular instance leaves me so confused. Thanks a lot again.

4:00 PM, Monday December 14th 2020

Thanks for sharing. That is very helpful with respect to understanding the concept.

4:03 PM, Monday December 14th 2020

Thanks, that really helps.

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