Large scale moulding on the cheap...

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Blog entry by Tom Adamski posted 2331 days ago 1862 reads 1 time favorited 13 comments Add to Favorites Watch

radius moulding
In an attempt to cut a large radius nosing for some mantels I’m making, I’m in process of making a router trammel to support the bit in a constant arc. Made from 3/4 ply, my inspiration is based off an old Fine Woodworking article and tablesaw trunions. I still need to mount it to a stable base, fit a router and bit and the fire it up…

I’ll post more when I make some sawdust.


-- Anybody can become a woodworker, but only a Craftsman can hide his mistakes.

13 comments so far

View Peter Oxley's profile

Peter Oxley

1426 posts in 2501 days

#1 posted 2331 days ago

That is much, much simpler than what I was thinking! Looks like it will work great!

-- -- --

View brunob's profile


2275 posts in 2796 days

#2 posted 2331 days ago

What a great solution. I’ll have to file this one.

-- Bruce from Central New, if you'll pardon me, I have some sawdust to make.

View Scott Bryan's profile

Scott Bryan

27251 posts in 2449 days

#3 posted 2331 days ago

Hi Tom,

That looks like an interesting jig. I need to do something similar both with some molding around the hearth to hid a 1/2 gap where the flooring and masonry meet and a mantle (that I promised several Christmases ago).

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View Tim Pursell's profile

Tim Pursell

494 posts in 2409 days

#4 posted 2331 days ago

Good jobTom!
Ingenuity is mandatory when working wood.
You has it!


View tenontim's profile


2131 posts in 2371 days

#5 posted 2331 days ago

That should work. Necessity is the mother of invention.

View GaryK's profile


10262 posts in 2615 days

#6 posted 2331 days ago

Looks like you just need a 1 1/2 bottom flattening bit and you’re ready to go.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View cajunpen's profile


14377 posts in 2693 days

#7 posted 2331 days ago

Very clever jig.

-- Bill - "Suit yourself and let the rest be pleased."

View DJSTEIN's profile


1 post in 2330 days

#8 posted 2330 days ago


View jcees's profile


946 posts in 2426 days

#9 posted 2329 days ago

Yeah, I remember that article in FWW. A simple elegant answer to NOT having a shaper/moulder. Show us some sawdust flying next time.


-- When one tugs at a single thing in nature, he finds it attached to the rest of the world. -- John Muir

View fredf's profile


495 posts in 2337 days

#10 posted 2312 days ago

tom, that profile is pretty close to that of log cabin siding. our camp is sided with something very similar to that but of course one of the laps is reversed, unfortunately the mill discontinued that style years ago. others still do make a thicker version, how ever. I would ASSUME that the profile would be done in multiple passes, so if you could find a mill that does that siding, you might be able to put the face profile on something else for you


-- Fred, Springfield, Ma

View Garry's profile


64 posts in 2879 days

#11 posted 2291 days ago

Great Jig, Thanks for showing us

-- Garry, Engadine, Michigan (Upper Peninsula)

View SteveKorz's profile


2131 posts in 2341 days

#12 posted 2255 days ago

That’s pretty cool, Tom. How did it work out?

-- As iron sharpens iron, so one man sharpens another. (Proverbs 27:17) †

View Tom Adamski's profile

Tom Adamski

306 posts in 2398 days

#13 posted 2254 days ago

Thanks for askig Steve. It worked out well enough to complete the job, but it was slow going… I can’t complain though, it would have cost me an arm & a leg to have knives made and mouldings cut. If you want to see it work, check out this video I uploaded a while ago…


-- Anybody can become a woodworker, but only a Craftsman can hide his mistakes.

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