Then I extract and clean the upper surface of the result and weld the remaining ex-coplanar vertices. The initial geometry by welding vertices. To avoid this kind of trouble, simply move backward one of the common edges a few decimetres (1/10 of Wings Unit), noting the direction, because it will be easy at the end of the process to redo * Either they are due to the connections between the different objects of the second element which will become coplanar planes when going from the plane surface to the volume. But we built so that it does not happen: there are no common Vertices and Edges with second element! * They are either an interference with the first element. A little thought is needed about coplanarity: Or the program runs in a loop indefinitely, without any warning. If one of these two conditions is encountered during the Boolean calculation, Wings 3D reports this There are two factors that do not support the Boolean functions of Wings 3D: I use boolean difference on complex object, starting with no thickness elements, (ie: the concrete runway of an airport and the grass surrounding the concrete runways) that I change in volume elements. Resource and Coin holder cerrors on diff.wings (Size: 21.61 KB / Downloads: MicheusVieira Micheuss micheus4wings3d Please, report possible bugs in the Bug Reports session. Take a look in this tutorial (starting exact in mirror) where I used mirror a couple of times in sequence and notice what I do when I want to mirror the entire half of the object I just created - I remove one edge to make that an entire face. That happens because mirror will copy and bridge the selected face. You told us you used mirror and then got those "parallel" faces. I attached back your project so you can do the boolean by ourself. I fixed your model and then you will be able to get it right now. The region where you getting the problem has two internal and strange faces, meaning something went wrong in your process to build that part of the block. Your topology is broken and that causes Wings3D to fail in this "simple" operation. Resource and Coin holder cerrors on diff.wings (Size: 22.44 KB / Downloads: 1)Ĭrawdad, that is one of those minimal situation not covered by boolean. Neither of these faces needs to exist, since they are both completely internal. I can't bridge them to reduce them to one: "Faces must not be neighbors" is the error. There are two coincident internal faces that intersect the cylinder I'm trying to subtract, left I suppose by the mirror function. GPU: NVIDIA Corporation | NVIDIA GeForce GT 755M OpenGL Engine Four of my cylinders can 'difference' just fine, but the two that straddle the plane of the previous mirror operation give me a crash dump like this: I'm trying to subtract six cylinders from a shape that was create by doing mirror on a building block, and then mirror again in a perpendicular direction.
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