Custom Blockbench block model results in black-purple cube.

Started by ScareForceOne on

Topic category: Help with Minecraft modding (Java Edition)

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Custom Blockbench block model results in black-purple cube.

As the title says i got the black-purple cube of doom after trying to import a recently made blockbench model. I really have no clue what went wrong. I consulted this https://mcreator.net/wiki/my-json-model-renders-broken-texture page but nothing helped. Here's the model file in case it helps https://pastebin.com/LDwUQubR .If anyone can point out my mistake i would be very thankful.

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You used the incorrect…
Mon, 04/13/2026 - 14:24

You used the incorrect version for the model. Blockbench by default uses 1.21.11 so you have to manually change it down as 1.21.11 is not supported in mcreator.

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i did try a test model that…
Mon, 04/13/2026 - 14:37

i did try a test model that was just one small cube like a worm that worked without issue, so i doubt the version is the problem 

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Well your block code says 1…
Mon, 04/13/2026 - 15:50

Well your block code says 1.21.11. So it's in the wrong format.

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Went back to change it to 1…
Mon, 04/13/2026 - 17:51

Went back to change it to 1.9 to 1.21.5 and it still didn't work

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So you're using 1.21.1 for…
Mon, 04/13/2026 - 19:26

So you're using 1.21.1 for your mod. Because if you're using 1.21.8 you should've set it to 1.21.6-1.21.8.

The only reason you get a purple and black texture is because the game can't retrieve the texture listed within the model. The only realistic issues that can be causing it are ones to do with your model. Did you set the texture mappings correctly when importing it?

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Yes its a 1.21.1 mod on…
Mon, 04/13/2026 - 20:01

Yes its a 1.21.1 mod on mcreator 2026.1. I mean, it only has the one texture file, and i've tried changing small things like the version and i had to re-import the model many times so even if i had made that mistake once, i doubt i would have made the same mistake again. im gonna try it again with an other texture file, maybe that's gonna help.

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Nope, creating a new texture…
Mon, 04/13/2026 - 20:38

Nope, creating a new texture and re importing it still results in the black purple cube of death.

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Maybe it’s an issue with…
Mon, 04/13/2026 - 22:22

Maybe it’s an issue with mcreators generated code. Try removing the model and texture from the workspace and then regenerating the code. Use sny model and texture on the block that lost its model and texture after you remove them. Then maybe rename your model project and reimport it?

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Also have you set…
Mon, 04/13/2026 - 22:27

Also have you set transparent parts to true and used the cutout setting in the block? They’re almost always needed when using a custom block model.