use inscribed shape to accelerate imprinting (WIP)

[qingfengxia]

Checklist

• [ ] Source is rebased on latest upstream main so is mergeable automatically or easily merged even with confliction.
• [ ] Title of this PR is meaningful: e.g. "fix issue #8 geomPipeline.py -o does not work", not "fix geomPipeline.py"
• [ ] Commit message is meaningful: git push origin +your_branch to squash some tiny fixes for CI failures
• [ ] Give the maintainer the legal rights to change the open source license in the future (see wiki/Contribution.md) for details