객체 스넵을 건너뛰고 스냅되지 않을때

https://knowledge.autodesk.com/ko/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/KOR/SaC-Product-Troubleshooting-with-Judy-Van-Wyk-at-The-Design-Studio-Interior-Design.html