That`s true, need to take care.
I tryed to fix some stuffs using a rough sandpaper that cames with my Dremel kit but its not working well even when I use the lower speed.
Actually Dremel is being usefull with color fabb bronze fill, just need to find another aplication to work with it.
it would be cool find a smooth sanding acessory or another thing that works well without leave a scar on a PLA model
You need to be careful with a Dremel as heat builds up very quickly and will melt the plastic. Personally I do not use one because my wife is a jeweller and so I have access to high quality(expensive) files. If you go down that route, you do not use a sawing action with the file, i.e. back and forth. You position the file and push, position and push etc.
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