>>9007857The tape I use is a roll of bought off ebay, you can find the same stuff for like 5-10$ with searches like "25mm Width 1mm Thickness Single Side Sponge Foam Tape Black". It's probably the best purchase I made in all the time I spent collecting transformers, I put this shit everywhere if I think it can protect paint from being scratched or damages.
I think you could just use duct tape for doing this though, but foam tape tends to have slightly stronger glue and looks a little nicer if it's on areas of a figure that are visible.