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A0447Nice fitting drawers are one of my favorite parts of making stuff out of wood. There is nothing like the appearance of even and minimal gaps and nothing like the feel of an easy sliding drawer that won’t get stuck when the seasons change. Meeting both goals at the same time is a challenge, but it’s a challenge worth meeting.  In theory, you can make every piece perfect, both in the case opening and the drawer, assemble carefully and all will be well.

In reality, wood moves, little errors accumulate, and perfection is elusive. That doesn’t mean you can’t have nice looking, nice sliding drawers in a reasonable amount of time, it just means you need a logical process to work with the materials, tools and skills at your disposal in an efficient way. I have found that fitting each piece of every drawer to the opening it belongs in as I make the parts changes fitting from a mystery to a straightforward process. I start by making the fronts to the size of the openings, then planing the edges and ends down to where they just slide in to the opening. Eventually the front will be a bit smaller, but that’s the goal for now.

A0585When the fronts fit, it’s time for the sides. Because this cabinet has a bunch of drawers, I put the carcase on a cart so I can make camp close to the tools I need for each step. I cut the sides to about 1/16″ wider than the openings are tall and about 1/2″ too long. Then I head to the joiner where I set the infeed table to take a 1/32″ cut.

In theory, two passes will match the opening and a final pass will let it slide in with just the right clearance. In reality it gives two straight and square edges and a good place to start fitting the sides. Again, I’m fitting each piece to a specific place in the box, so I mark everything with a crayon. I use big letters and a red crayon because it’s easy to mix parts up. It’s a lot of writing but that’s better than going back to replace a bad part.

A0589This could all be done with a plane, working my hand, but for me using the joiner makes the process faster and more predictable. The machine doesn’t take away the ability to tweak things. In the picture at left, I’m tapering one of the sides from front to back to match an opening. I made a cut about half way in the length, then carefully backed the piece out. For the next pass, I push down on the front edge to start the second cut. That makes a neat, predictable taper and I sneak up on matching the sizes of the sides to their openings in bites of 1/32″.

A0590The picture at right shows the goal for this step. The side moves in and out of the opening without getting stuck and the rule on top of the drawer side is 1/32″ thick. The eventual overall gap may be more or less, but I’m in the neighborhood I want to be in and I know that if something sticks later on, it won’t be because the sides are too wide.

There are a bunch of variables in fitting a drawer, and if you can eliminate them one at a time, you’ll have less investigating to do if the assembled drawer doesn’t look or move the way it should. At this point I know that three of the four parts to the drawer fit the way they are supposed to in the opening. The next step is to join the front (that I know will fit) with the two sides (that I know will fit) together without mixing up any of the parts. When the drawer goes together, the bottoms of the sides will run on the case, but the bottom of the front needs a slight gap. Life will be easier if you can accomplish that when you put the two pieces together.

A0615In this piece I’m using Greene & Greene style finger joints at the front of the drawers. When I cut the joints I cheated the bottoms of the fronts up a bit, and left a minimal amount of the fingers on the drawer fronts proud of the drawer sides. If all goes well after glue-up the gaps at the sides of the drawers will be just a bit bigger than they were with the fronts alone. If something should go wrong, I can still plane down the side of a drawer if I need to. I dry fit the front and the sides and check the fit in the opening. Because I cheated up on the joint at the bottom, the top of the drawer front should smack into the top of the opening. Planing the top down to the level of the top of the sides will take care of that, and if there is some misalignment in the joinery, working with the gap between the top of the drawer front and the bottom of the opening will make things look alright.

A0646I tinker with the fit of the dry-fit sides and opening until I’m happy with the way these three parts go in and out of the openings. Things can (and should) be a bit tight at this point. In between some of the steps here I’ve made some recesses in the fronts for pulls, and I’ve rough cut the pulls and fit them to those openings. You’ll have to get our December 2013 issue to read about that step (Click Here to Subscribe to Popular Woodworking Magazine).

The backs fit into the sides with through dovetails. Knowing how the sides and fronts fit before making the backs gives me some options I might not have otherwise. I can move the baseline on the pin boards down a hair and make the drawers taper just a bit in width from front to back. That will keep the drawers sliding easily in the future without opening up the gaps at the front of the drawer.

A0650After the joints are cut at the back, I dry fit the parts (so far). If the joints aren’t sloppy I can plane down the pins I left just proud of the sides. Then it’s back to the opening again to check the fit. If something gets stuck, I can be pretty sure that the problem lies with the joinery at the back of the drawer and correct it before moving on.

This might seem like a tedious way to go about this, but it makes it all a rather simple and straightforward process. It beats getting to the end of a project with a half dozen drawers that don’t quite fit and no idea of where to start removing the little bits of wood that are getting in the way. It’s nice to go into gluing the drawers together with the knowledge that they will slide neatly into the openings.

–Robert W. Lang

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Showing 10 comments
  • Steve D

    An alternative to the jointer or hand plane is a router table set up for jointing. Shim the outfeed fence 1/64 or 1/32 forward of the in feed fence and close both fences tight to a 3/4 straight bit. The work piece lays face side down on the table eliminating fear of tipping and keeps hands to side of cutter rather than over it.

  • DonPeregoy

    Thanks for clear straightforward lesson in a foundation skill.
    Understanding the need for clear marks on parts. I have been reluctant to use something like a crayon for fear it would be hard to clean off.What do you use.

  • gumpbelly

    Awesome post Bob. I agree this was as meaty as an entire article. Talked through with outstanding pics at the correct times. Good job.

    Somebody downgraded your jointer, isn`t that beast a 16″ bed? That makes that tiny part, not so tiny, and looks like you have your hands just like I`d keep mine, doing the same job. Some folks have different parameters for what they feel is safe, and I respect that, but sometimes wonder how they get anything done.

    With your jointer it`s easy to set to a perfect 1/32″ cut. I`ve used hand planes a lot, and that is a thick cut for me, and it kinda gets muddled as to how many passes of a whispy shaving = 1/32, anyhow I always get confused, so I use my jointer as much as I can. Now after all is said and done, I just bet you use a plane to tweak those drawers if you get a bit of a sticky fit.

  • kar1205

    Wow, I find this blog more than a little bit frightening! Surely on a PopWood blog that could be read by beginning and inexperienced woodworkers, recommending the use of a jointer to joint short pieces of wood – no matter how thin – is NOT to be recommended. The jointer in use looks to be 8 inches and has a gap between the tables that invites disaster when pushing down on the front end of short boards as you recommend in your second pass above. Only a slight miscalculation or distraction could find the board being thrown backwards and the fingers pushed into the cutter head. There re many grievous jointer accidents a year – most I would bet from attempting to joint too short boards. Surely this is the one time that planing by had should be the recommendation from the editors!
    It might be a good idea to remove this blog post.

  • Eric R

    Can’t ask for a much better fit then that!
    That is a great approach.
    Nice job Bob.

  • JMAW Works

    Wow! That was the knowledge content of a magazine article, not a blog post. I like this systematic dimensional management approach, managing your datum references and constraints effectively without giving up adjustment where and only where you want it. I’ve read many articles that are based around “I built a box that nominally should slide into this other box, now what?” This is a golden ticket. Bravo!

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