by default, Forge Viewer provides some common buttons, including [Zoom], [Pan], [rotate], [explode], [measure], [first person Walk], [plane], and so on.
some friends see this blog, get the toolbar handle, and then delete the corresponding DOM element.
https://forge.autodesk.com/cl.
for [zoom], [translate], [rotate], [explode], etc., this method successfully removed the button, but found that it did not work for [measure], [first person roaming], etc.