Sanding inside corners

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Forum topic by ScottStewart posted 07-31-2012 01:24 AM 3888 views 0 times favorited 6 replies Add to Favorites Watch
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119 posts in 2100 days

07-31-2012 01:24 AM

So does anyone have any great ideas for sanding inside acute angles? I have an inside 45 degree corner on the sides of a toy crane. It’s endgrain, so I don’t have to worry as much about my direction. Maybe cut the opposite block and adhere sandpaper to it? There probably is an easy way to do this, but I dont’ knwo what it is.



6 replies so far

View MonteCristo's profile


2099 posts in 2157 days

#1 posted 07-31-2012 03:12 AM

You’ve likely considered this option already but sanding before assembly is the usual way out of these pickles.

-- Dwight - "Free legal advice available - contact Dewey, Cheetam & Howe""

View RetiredCoastie's profile


999 posts in 3151 days

#2 posted 07-31-2012 03:19 AM

I use emery boards. The kind used on fingernails. You can get them in assorted grits and they work very well.

-- Proud Supporter of Homes For Our Troops

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119 posts in 2100 days

#3 posted 07-31-2012 04:06 AM

Monte, it’s all one piece or else that would have been my plan. I like the emery board plan, I also tried a piece cut at a complementary 45 degrees. This is the piece I am trying to sand…

Thanks for the help.

View BertFlores58's profile


1694 posts in 2890 days

#4 posted 07-31-2012 05:34 AM

Have you ever tried a dremel with extension? The one being used for etching glass, carving and others. There is an assorted bits for it. If the dentist can sand, grind on a tooth without scratching the tongue and so you can.

-- Bert

View rance's profile


4255 posts in 3129 days

#5 posted 07-31-2012 05:42 AM

Power tool rule! :) I think I might try my Fein Multimaster. Or one of the knock-offs.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View Vicki's profile


1097 posts in 3313 days

#6 posted 08-03-2012 02:16 AM

I have an assortment of diamond sanding files and small files from Harbor Frieght. I also have plastic sanding sticks with sanding belts on them here’s one source:,7760.html

I use the nail files, emory boards, sanding string and I have a sanding strip I can put on my scroll saw. I also have used sand paper wrapped around small scraps of wood. My favorite is my Dremel multimax with the triangle sander or a sanding finger that I adapted from a Rockwell sanding finger.

-- Vicki on the Eastern Shore of MD

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