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PostPosted: Mon Mar 30, 2020 7:18 am 
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Walnut
Walnut

Joined: Sun Mar 15, 2020 7:59 am
Posts: 6
First name: Bret
Last Name: Deardorff
City: Topeka
State: KS
Zip/Postal Code: 66614-4854
Country: United States
Focus: Build
Status: Amateur
I’m using MDF for my mold. My question is this ... when I cut the material for the mold can I use the leftover scrap for my side bending jig. It would seem if I cut right on the line and am very accurate that this should work and save some money. Or should I quit being cheap and just use the scrap for spreaders inside the mold. Thanks for your help. I have been a woodworker all my life (just retired) but this is my first guitar.


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PostPosted: Mon Mar 30, 2020 9:21 am 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Fri Aug 19, 2005 4:02 am
Posts: 2567
Location: The Woodlands, Texas
First name: Barry
Last Name: Daniels
Sure, you can do that.


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PostPosted: Mon Mar 30, 2020 9:57 am 
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Contributing Member
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Joined: Mon Aug 23, 2010 11:42 pm
Posts: 1604
First name: John
Last Name: Parchem
City: Seattle
State: Wa
Zip/Postal Code: 98177
Country: USA
Focus: Build
Status: Amateur
If your cut is right on. Many luthiers (not all) unlike cabinet makers cut close and sand. But that only gives one either a mold or bending form. Otherwise it is a great idea.

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PostPosted: Tue Mar 31, 2020 2:40 pm 
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Koa
Koa

Joined: Thu Nov 04, 2010 1:46 pm
Posts: 1964
First name: Freeman
Last Name: Keller
Focus: Build
Status: Amateur
That is exactly what I do. Each time I start a new size/shape I make the bending and building molds at the same time. I might run around each with an oscillating sander to compensate for the thickness of the side wood but it probably isn't necessary if you cut carefully. Fwiw I bolt the four pieces together with flathead bolts and cut them together

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PostPosted: Tue Mar 31, 2020 2:49 pm 
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Walnut
Walnut

Joined: Sun Mar 15, 2020 7:59 am
Posts: 6
First name: Bret
Last Name: Deardorff
City: Topeka
State: KS
Zip/Postal Code: 66614-4854
Country: United States
Focus: Build
Status: Amateur
That’s exactly what I was thinking. I’m assuming you cut those all on your bandsaw. Can you share with me the blade that you used. Width and the teeth per inch please.


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PostPosted: Tue Mar 31, 2020 3:04 pm 
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Koa
Koa

Joined: Thu Nov 04, 2010 1:46 pm
Posts: 1964
First name: Freeman
Last Name: Keller
Focus: Build
Status: Amateur
I frankly don't remember and those pictures are several years old. I normally have a 1/4 blade in the old saw, don't know how many teeth. I could probably go look but its kind of my generic do everything blade. I am fairly careful about setting the saw up before I use it - its a piece of junk old Craftsman that I bought for 50 bucks at a yard sale but its made a lot of guitars.

It would be worth while trying your cut on some scrap MDF to make sure you can follow the radius.


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PostPosted: Tue Mar 31, 2020 6:26 pm 
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Walnut
Walnut

Joined: Sun Mar 15, 2020 7:59 am
Posts: 6
First name: Bret
Last Name: Deardorff
City: Topeka
State: KS
Zip/Postal Code: 66614-4854
Country: United States
Focus: Build
Status: Amateur
Thanks for the info. I will definitely try cutting som scrap. I appreciate the help.


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