Loom banner preview is inaccurate
The bug
The loom banner preview shows lines that aren't actually on the banner.
How to reproduce
1. Put a red banner in the loom
2. Put red dye in the loom and select the cross-shaped pattern
3. Observe the banner preview
4. Take the banner and place it in the world
→
The banner preview was wrong


Notes
This is a trivial example for easy reproduction, but this can cause issues in making banners appear to have seams that aren't really there. More examples:

Created Issue:
Loom banner preview is inaccurate
The bug
The loom banner preview shows lines that aren't actually on the banner.
How to reproduce
1. Put a red banner in the loom
2. Put red dye in the loom and select the cross-shaped pattern
3. Observe the banner preview
4. Take the banner and place it in the world
→The banner preview was wrong
Notes
This is a trivial example for easy reproduction, but this can cause issues in making banners appear to have seams that aren't really there. Another example:
The bug
The loom banner preview shows lines that aren't actually on the banner.
How to reproduce
1. Put a red banner in the loom
2. Put red dye in the loom and select the cross-shaped pattern
3. Observe the banner preview
4. Take the banner and place it in the world
→The banner preview was wrong
Notes
This is a trivial example for easy reproduction, but this can cause issues in making banners appear to have seams that aren't really there.
Anotherexample:
The bug
The loom banner preview shows lines that aren't actually on the banner.
How to reproduce
1. Put a red banner in the loom
2. Put red dye in the loom and select the cross-shaped pattern
3. Observe the banner preview
4. Take the banner and place it in the world
→The banner preview was wrong
Notes
This is a trivial example for easy reproduction, but this can cause issues in making banners appear to have seams that aren't really there. More examples:
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In 1.17 it looks like this now, subtle but still inaccurate