This issue affects both 1.12 and 1.14 and all spawning shapes except for spread. It makes blocks spawn particles closer to negative values of X: this is caused by the code subtracting 0.27 from the x coordinate of the particle when spawning it.
MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.