udon that is one of the alpha features added with the Harmony version of Studio. It is still not done so it is not on the UI (accessed only by the cheat console). To use it, open S4S, press ctrl+shift+c, and type "object-preview" (without quotes) into the text box. There is also "cas-preview" which does the same thing for CAS items.
Please do not PM me with modding questions. Post in the Creator Help forum.
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