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Old 12-14-2013, 11:44 AM   #1
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I am building a batmobile bed for my son and have to do cutouts of the batman bat which had many curves. What is the best router bit to use for these curves?

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Old 12-14-2013, 11:50 AM   #2
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Got a picture of what your trying to make it look like?

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Old 12-14-2013, 11:50 AM   #3
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I am building a batmobile bed for my son and have to do cutouts of a bat which has many curves. What type of router bit to cut 3/4 pine is best for these curves? Any advice would be appreciated.
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Old 12-14-2013, 11:51 AM   #4
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There is a special bit called a templating bit, which is designed to follow along a template. Typically you cut the template out of plastic of thing plywood in the shape of whatever you want to cut, you attach the template to the workpiece using double sticky tape or a vacuum press. Then you follow around the template using the templating bit, which has a bearing and a straight edged cutter which matches up with the bearing. The result is a cut shape in the workpiece exactly the same shape as the template itself.

This is probably the simplest way to duplicate a shape, but you should really get a good router book to help you understand some of the tricks associated with template routing. I have half a dozen books that deal with routers, one of which is Router Tips and Techniques, which is pretty good.
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Old 12-14-2013, 11:55 AM   #5
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I would be using a jig saw to cut the curves and then a straight cut router bit to clean them up or round over the edges.
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Old 12-14-2013, 12:10 PM   #6
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Merged threads.
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Old 12-14-2013, 02:06 PM   #7
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if you plan to use a router you need a template to act as a guide for the router.. free handing it will turn out terrible.. or just use a jigsaw
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Old 12-14-2013, 03:05 PM   #8
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What is the difference between a template bit and pattern bit? How do I know what length and diameter bit to use with 3/4 inch pine and 1/4 inch template?

Last edited by tiggerck; 12-14-2013 at 03:16 PM. Reason: new question
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Old 12-14-2013, 03:07 PM   #9
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Different name for the same thing.
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Old 12-14-2013, 03:09 PM   #10
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There's no such thing as a template bit.
It's a pattern bit.
Close enough that anyone would know what he was talking about.
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Old 12-14-2013, 03:13 PM   #11
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If I'm going to use a pattern bit to copy a template what kind of bit should I use to cut the template in the first place?
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Old 12-14-2013, 03:37 PM   #12
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You will need a jig saw to make the template---or a band saw---routers are not used for cutting-- only shaping---

Once your template is cut and sanded---tack it to the good wood---then use the jig saw again to rough cut the work piece--try to cut within 1/8" of the template---then set the router so the bearing rubs on the template---

Cut left to right (counter clock wise)--and trim your work piece.

You asked the size of the bit?
Use one that will clear the inside of your tightest shape----if that is possible----..

The larger the pattern bit, the better off you are---a 1/2" bit will not chip out the work as much as a 1/4"---however,you must use what you need to clear the shape.
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Old 12-14-2013, 04:39 PM   #13
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joecaption, there seem to be an awful lot of places selling template bits (http://www.woodpeck.com/whitesidetemplatebits.html) for example. This particular web site gives a very nice picture of a template bit (there words, not mine). This particular site (http://www.toolstoday.com/c-417-temp...88kwurl71120LP) uses the term template/pattern bit. Not sure why you think there is no such thing as a template bit.

Regardless, you need to make the template somehow, and as noted by others, this is often done using a bandsaw, then sanding the product to shape. Sometimes you can get a particular pattern premade in steel or aluminum.
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Old 12-14-2013, 04:58 PM   #14
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What do the letters D B d stand for when shopping for pattern bits? I know D is diameter but what are B and d?
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Old 12-14-2013, 05:25 PM   #15
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I have bought quite a few router bits from these folks. Their website is informative, too.
http://www.mlcswoodworking.com/shops.../bt_flush.html
Free shipping, too.

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