Impost Block Bit - Router Forums
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post #1 of 14 (permalink) Old 01-20-2018, 08:28 PM Thread Starter
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Default Impost Block Bit

Hi all, Iím new, hopefully finally in the right place. Iím building 3 walls of bookcases, and am using fluted molding with blocks to transition to the crown and base moldings. BMC/Smoot sells a small molding piece called ďSolid Pine Impost Block 883.Ē They are around $7 each, and I will need a lot of them, so Iíd like to try making them myself. Could anyone help me with finding a router bit for this? Thanks much!
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post #2 of 14 (permalink) Old 01-20-2018, 08:38 PM
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is this it???
7/8" x 2-1/2" Solid Pine Impost Block SM880 | SM880 | Build With BMC
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and TaxidermyĒ
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post #3 of 14 (permalink) Old 01-20-2018, 08:47 PM
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Hi all, Iím new, hopefully finally in the right place.
@steve - I deleted your other post.

Welcome aboard. Lots of good folks here.
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That's my story and I'm stickin' to it!
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post #4 of 14 (permalink) Old 01-20-2018, 09:01 PM Thread Starter
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@steve - I deleted your other post.

Welcome aboard. Lots of good folks here.
Hey Thanks!

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is this it???
Thanks very much! I donít have enough posts for a photo or url, so I appreciate you checking it out! Yes, thatís the profile.
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post #5 of 14 (permalink) Old 01-20-2018, 09:07 PM
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Welcome to the forum Steve.
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Ross,
Rockhampton, Queensland, Australia


Enjoy the knowledge of others that can be found within.

ĎMembers are requested to add a first name in their profile as we are a very friendly bunch here'.
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post #6 of 14 (permalink) Old 01-20-2018, 09:29 PM
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I couldn't find that exact profile, but you could do it with 2 set-ups with a cove bit and a beading bit. Would take some setting up,don't know if it would be worth it. You could make a similar profile with crown molding bits ,or picture framing bits for the face and glue it to a 45 degree chamfer to make a crown molding. Not sure if that is cost effective either.

Herb
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post #7 of 14 (permalink) Old 01-20-2018, 10:02 PM
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you could do that as built up (3 pieces) but the total cost of bits may hurt your brain...
do you have a router table??? if not, stop where you are...
you need to cut a cove..
Freud Tools | 3/4" Radius Cove Bit
the bull nose/half round...
Freud Tools - Search Results for half round
then the kanted/chamfered base...
Freud Tools | 7/8" (Dia.) Chamfer Bit
that's 3 pieces, each w/ it's own profile stacked (built up) on top of each other...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and TaxidermyĒ
Stick486 is online now  
post #8 of 14 (permalink) Old 01-20-2018, 10:39 PM Thread Starter
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Originally Posted by Herb Stoops View Post
I couldn't find that exact profile, but you could do it with 2 set-ups with a cove bit and a beading bit. Would take some setting up,don't know if it would be worth it. You could make a similar profile with crown molding bits ,or picture framing bits for the face and glue it to a 45 degree chamfer to make a crown molding. Not sure if that is cost effective either.

Herb
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Originally Posted by Stick486 View Post
you could do that as built up (3 pieces) but the total cost of bits may hurt your brain...
do you have a router table??? if not, stop where you are...
you need to cut a cove..that's 3 pieces, each w/ it's own profile stacked (built up) on top of each other...
Thanks much both of you! I have a router table. I have the cove bit, and will look for the round/bead tomorrow and give it a try. Youíre right at some point itís not cost effective. She has decided it must be that profile, so Iíll see what I can do before I have to admit defeat and sign my next paycheck over to Smoot.
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post #9 of 14 (permalink) Old 01-20-2018, 10:42 PM Thread Starter
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Thanks Ross!
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post #10 of 14 (permalink) Old 01-20-2018, 10:46 PM
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Quote:
Originally Posted by Stick486 View Post
you could do that as built up (3 pieces) but the total cost of bits may hurt your brain...
do you have a router table??? if not, stop where you are...
you need to cut a cove..
Freud Tools | 3/4" Radius Cove Bit
the bull nose/half round...
Freud Tools - Search Results for half round
then the kanted/chamfered base...
Freud Tools | 7/8" (Dia.) Chamfer Bit
that's 3 pieces, each w/ it's own profile stacked (built up) on top of each other...


Great post Stick. That is what I call helping someone out.
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Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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