Why does unioning this part cause the texture to flicker and bug out? I don’t really want to have to use a wedge here. Is there a better solution?
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Using wedges and unioning it also causes texture flickering, so that’s not even an option actually.
Perhaps some Z-fighting is occurring here. Make sure any negating parts in the union completely negate the required parts and make sure there are no overlapping parts.
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Intro
So I believe this is due to the fact there are multiple layers on top of each other because unions make the textures line up and when this happens it bugs.
Possible Solution
What you can do it eliminate any possible gaps in the model by going into the part so they clip into each other then export them into blender then re-import back into Roblox using a mesh. I’ve linked a video on how to import a 3D model to Roblox as a mesh; and to export left click on the part’s name(s) then click export and go to blender and open as a wave front OBJ but deleted the brick by clicking X. Hope this helped you out.
I think if you look closely at your Union you’ll see that there are probably gaps in between the Wedges you tried to add and the other Parts. That may be part of the issue, but as stated I’d first off try moving the Union to see if there are some extra Wedges left behind to cause the z-fighting.
When you import Unions into Blender you’ll see how inefficient Unions actually are and sometimes how they will have around 5 times the number of tris that a cleaned up mesh would require.
Thanks for the help guys. I didn’t really want to use a mesh part here so I just sized the model up, unioned it, then sized it back down. Completely removed all flickering.
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Why do unions have to be so strange?