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Posted by # Fred # on September 2, 2006, 11:33 am
>
> blueman wrote:
>> I need to make a piece of custom scotia molding for under the treads
>> of our staircase.
>>
>> I need to match existing trim that is 100+ years old and I have not
>> been able to find the size in the store.
>>
>> The dimensions are: 3/4 x 1/2"
>> The lip dimensions are 1/3" on the 1/2" side and 1/8" on the 3/4" side
>> (these dimensions are different from what I have seen on modern Scotias)
>>
>>
>> - What is the best way to fabricate and replicate the molding myself?
>>
>> - If I use a router, what type of bit should I use? cove??
>> If so, what size.
>>
>> - Other people have suggested using a tablesaw with the wood at angle to
>> the blade. If so, how do you decide what angle to use?
>>
>> Finally what are the advantages and disadvantages of each approach?
>
> I don't think a TS can make the cut you need. That method is more for
> larger coves like on crown molding.
> http://www.binkyswoodworking.com/CoveMouldingTip.htm
>
> To do this with a router you will need a router table and probably a
> fence, the bit will depend on the shape you need. You may also need to
> use wedges depending on the angle needed.
>
> http://www.ronhazelton.com/howto/door_casing_restoration.htm
>
>
http://www.woodweb.com/knowledge_base/Replicating_a_Custom_Moulding_Profile.html
>
> Try rec.woodworking, the pros there can either tell you how to do it or
> where to buy it. It would be helpful if you could post a picture of
> the profile you need.
>
Or use a molding attachment for the TS :
http://images.google.com/images?hl=en&sa=N&resnum=0&q=molding%20head%20table%20saw&tab=wi
The blank profiles could be grinded to match scotia if a standard profile
could not be found.
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