Union issue fix?

Hello! I have been having issues with unions ever since CSG V3 had been released, does anyone know whats up?

What am I attempting to achieve? I am trying to simply union like I used to without issues.

What is the issue? When I try to negate unions which I believe were made with CSG Legacy where before it worked fine however now it does not (CSG Legacy) and says basically that the union is unsolvable when I try to negate it, though its worked many times before. CSG Legacy (on the left) is also the original model, so that’s how it should look, however I can’t negate it. I’ve made the unions that are the issues red.

What solutions have I tried? I basically turned off CSG Legacy and enabled CSG V3, this worked but to an extent for the visor obviously has some unwanted lines, I have put together and image to show examples of my problem.


Again sorry if I am not being clear enough, thank you!

One of the original models: https://create.roblox.com/marketplace/asset/899871657/Clone-Trooper-Helmet?pageNumber=1&pagePosition=2&keyword=clone+helmet

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The V3 one looks good Anyways, I have always had problems with V3, it had more errors and crashes than the legacy version.

Can you show what is being unioned together?

Well, when I get back from my trip, I’ll show you what I’m attempting to do. But basically the union that is colored red when I negate it its like the original negate parts are not exactly aligned like they were with the Legacy version, so when I negate or try to union a design on the helmet you can see those small red lines which are the problem and only started occurring when Legacy was removed, and I could not find a fix for this yet. If you need anymore information please tell me! And thank you for relpying to me!

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