Maybe a bit of an odd topic, but I couldn’t find any other thread that fit for this.

I figured this could be a place to discuss any special effects shot(s) in any of the SW movies that for one reason or another can’t be easily solved just by googling it. F.ex. most of the OT effects are so well known and have been discussed for so long that it’s not hard to find a detailed breakdown of almost any effect done for those movies (though I’m sure some do exist), however this isn’t always the case for the PT, ST, etc. So if there’s an effect shot that has been nagging you for a while maybe ask about it here and hopefully someone has a source of info about how it as done or at least we can discuss and theorize as to how it was pulled off.

I’ll start with this:

Does anyone know how they did the melting metal effect when Qui-Gon cuts through the blast-doors at the start of TPM? I could be wrong, but it looks too good to simply be a late 90’s CG effect, so I figured maybe there’s some kind of combination of CG and practical elements. The shots of the door melting from seen from the inside looks very practical, but I couldn’t find any info about this scene at all.

https://youtu.be/eZ2fRsTSF4Q?t=132