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Hi everyone,

I want to do some serious conversions (I am a total noob but I have big ambitious dreams for my orkz lol) and I wanted to know what is a good handheld rotary cutter, similar to the one in this video, but with a little saw tip instead of a drill tip? I couldn't find an example in a video, even though I am sure I've seen one...
http://www.youtube.com/watch?v=XR630YIgKY0

I found this on amazon, for a good price, thoughts?
http://www.amazon.com/Dremel-7700-1-15-MultiPro-7-2-Volt/dp/B002BACCDA/ref=pd_cp_hi_2

Thanks for the help!

Any Dremel is fine, as are Proxxon and Foredom. Bits are largely interchangeable as the 1/8" shaft is fairly standard (or something close enough that you can get it tight with standard collets).

Cutting plastic with a rotary cutter though can be trying for new users though. The speed of the cutting wheel melts as much as it cuts, so you have to get a feel for it. A razor saw and jewelers saw (or just one or the other) can do the same in about the same time with less hassle for new modelers.

If you are intent on using a rotary tool though, for cutting polystyrene, I prefer the metal blades with the toothed edges. They produce less heat and you can lube them with wax to prevent build up. For resin, an abbrasive wheel is fine. Polyurethane resins dont melt like polystyrene, and you can make short work of attachment points and what not for the mold blocks.

I got one like this:

http://www.ebay.co.uk/itm/60pc-Mini-DRILL-GRINDER-SET-for-Electronics-Hobby-CRAFT-Crafts-Model-Making-/150886976678?pt=UK_Home_Garden_PowerTools_SM&hash=item2321908ca6

And it was fine, dirt cheap too.

Thanks for the help guys!

I've got a variable speed dremel, but even the lowest speed setting is pretty fast. I want to find something that will spin rather slowly with rotary bits... But motorized and all that.

Most hardware stores sell dirt cheap rotary tools , they won't be super awesome for all applications but I've not had a problem with mine , I use it in the farm workshop for small jobs as well modelling tasks.

Like others have said tho they are generally too fast and can melt plastic , just use the slowest settings.

My friend has a modelling electric drill, it has a large dial on a transformer that you can turn down really slow, but it cost him something like £50.
Your choice !!!