[sturgeon]

You could always do it like the shop would - a pair of curved snips. Rough enough is good enough. 😄

Or if you're in a hurry, chainsaw.

 

[sturgeon]

Better still

View attachment 119065


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That could work. When I mentioned chainsaw, I actually had one of these in mind ...

Lancelot Woodcarving Tool - Lee Valley Tools

www.leevalley.com

 

[sturgeon]

That attachment is designed for wood carving rather than precision cutting a circle, especially in thin plastic.

It’s also one of the more dangerous wood carving power tool attachments.

Seems like the collective sense of humour has evaporated.

 

[sturgeon]

I didn’t know whether to laugh or cringe in fear that someone might take you seriously

Well, I actually have one of the dreaded Lancelot death machines; I sometimes make chairs as part of my other hobby. It’s perfect for dishing the seats. I also have two regular chainsaws, and know how to use them and maintain them - Canadian, eh. I also used to ride a Kawasaki rubber-frame H1 at insane speeds when I was younger and more bouncy. I still have all my limbs with all digits still firmly attached. I wear proper protective gear, and think about what I’m doing. I guess I’m also gonna have to start using large numbers of emojis when joking about using power tools in inappropriate ways, to save the naive from serious harm.

😉😉😉😉😉😉😉😉😉🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤪🤪🤪🤪🤪🤪🤪🤪

Sturgeon’s safety tip of the day - don’t put your bare fingers on the red parts when cutting and welding with a torch. I’m serious. DON’T DO IT!

As for the cutting job in question, I’m with you @Panzermann , A coping saw and a bit of sandpaper would be my choice. Save electricity and the exercise is good for you.