Request: option [x] Check Manifold [x] check mesh islands

[MarcLeptic]

Hi, this is a nice little add-on! I used it to help my younglings play with blender since it's much more intuitive and it approaches Tinkercad (group+hole) simplicity.

On to my request: Often I catch traditional bool modifiers "failing" because of

1. Non-manifold objects (the bool mod is kind of undefined if its non-manifold)

2. Multiple disconnected mesh islands in one of the objects. one could consider it a failed bool as you are not left with a single mesh. e.g. give 2 objects A and Target.
   A contains disconnected but intersecting meshes A1 and A2.
   A1 Intersects A2, A2 intersects Target. (A1 does not intersect Target) performing union of A+Target = A1+NewTarget

If you were to optionally test for manifold edges and # of mesh islands before performing the bool, you could quit the bool and tell the user to fix the object first.

Perhaps it's out of the scope of your tool, I just thought I'd throw it out there.

[jayanam]

Yes, it's a nice addition.

On Mon, Apr 1, 2019 at 12:18 PM MarcLeptic [email protected] wrote:

Hi, this is a nice little add-on! I used it to help my younglings play with blender since it's much more intuitive and it approaches Tinkercad (group+hole) simplicity.

On to my request: Often I catch traditional bool modifiers "failing" because of

Non-manifold objects (the bool mod is kind of undefined if its non-manifold) 2.

Multiple disconnected mesh islands in one of the objects. one could consider it a failed bool as you are not left with a single mesh. e.g. give 2 objects A and Target. A contains disconnected but intersecting meshes A1 and A2. A1 Intersects A2, A2 intersects Target. (A1 does not intersect Target) performing union of A+Target = A1+NewTarget

If you were to optionally test for manifold edges and # of mesh islands before performing the bool, you could quit the bool and tell the user to fix the object first.

Perhaps it's out of the scope of your tool, I just thought I'd throw it out there.

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