why my drag and pull arrow in massing dissapears?

[jingrou.teoh]

why my drag and pull arrow in massing disappears?

[ToanDN]

Are the points reference or adaptive?

[barthbradley]

So TAB-Select doesn't activate them?  Maybe the Category is turned off?  

[teohjingrou]

hi, sorry can u show me how to turn on the category?

[teohjingrou]

the point is not reference, it is model and i use 3D snapping

[ToanDN]

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@teohjingrou wrote:
the point is not reference, it is model and i use 3D snapping

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You can only drag points when you editing the mass.  If you need to drag points of a mass once you loaded it in a project, you need to use adaptive points.