**System Information**
Operating system: Linux-4.15.0-47-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.116
**Blender Version**
Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-04 22:32, hash: `rBe80cbdac331a`
Worked: not found
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**Short description of error**
Dyntopo + Snake tool produce weird artifacts after grab tool
**Exact steps for others to reproduce the error**
1. Open sculpting UI setup.
2. Enable dyntopo.
3. move some geometry with grab tool.
4. Set big brush size then use snake tool.
5. Some weird artifacts will be shown. Like part of original mesh stay in original location.
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4. Press Ctrl+Z - artifacts will disappear.