Piston-fit blowout prevention

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Forum topic by bhacksaw posted 03-24-2016 08:24 PM 516 views 0 times favorited 2 replies Add to Favorites Watch
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163 posts in 1793 days

03-24-2016 08:24 PM

I’ve been researching (can we use “YouTubing” as a verb yet?) piston-fit drawers and would like to apply that technique to the tray of the next jewelry box i make. I’ve mostly seen the method of initially fitting a blind dovetailed face to the opening, then gluing the slightly proud dovetailed sides to the face, then planing the sides down to the face. The planing happens front to back so as not to blow out the endgrain of the face. The trays that I would like to piston-fit into the jewelry box carcass, however, will not be blind dovetails, but through dovetails. This means there will be two areas of endgrain on each side. Should i put scrap pieces at the front and back of the sides as i plane them? Or should I use a sanding block? I’ve never seen anything about sanding to a piston fit, so that’s probably not the answer.

2 replies so far

View Dark_Lightning's profile


3146 posts in 3077 days

#1 posted 03-24-2016 11:50 PM

I sanded the drawers of my carving tool chest to get the piston fit. I don’t see why that wouldn’t work for you. It’s a little messier than a plane, and you don’t get nice curls, though.

-- Random Orbital Nailer

View MadMark's profile


979 posts in 1421 days

#2 posted 03-24-2016 11:57 PM

Make the cabinet & fit the drawer 1/16” under (1/32” per side) & you should get a good tight slidable fit. If you go down to 1/32” under it may bind as the weather changes.


-- Madmark -

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