Can you copy and paste in Onshape?
However, if you are set on moving it to a new document, you can always right click the element, select `Copy to clipboard`, open your new document, hit the plus in the bottom left corner, and select `Paste tab`.
How do you Copy and paste a part studio on Onshape?
To copy a tab to the clipboard, right-click a Part Studio, assembly, or drawing tab, and choose the option to “Copy to clipboard.” Then go to the Onshape Document where you want to paste that tab, click the “+” icon in the bottom left corner, and choose the option “Paste tab.”