Building box/finger joint jigs has become a bit of a hobby among some woodworkers, like marble machines or complex mouse traps. They are admittedly complicated, but fun to build and really useful tools. I’ve designed several, but this one is my favorite. It will cut any joint configuration you can imagine, without any complicated setup or attachments to swap around. You don’t need a dado set to use it, though using one will speed up the process. It will cut a joint up to 18″ wide, and is compatible with any 10-inch table saw.
The way the jig works is simple: The sliding carriage moves your work piece from position to position, utilizing a lead screw positioner with positive stops every 1/8″. Those stops align with a paper template (included in the plans) with various joint configurations already laid out for you. This, along with the dual cursors, lets you actually see where BOTH sides of your blade will be cutting, eliminating mistakes that come with losing track of which side of a line your kerf will fall on. The cam-activated positioner auto-corrects the carriage’s position, should you attempt to lock it down out of place. You only have to get your cursor CLOSE to the line, and the jig will zero it in for you.
- Deluxe PDF Plans (Dimensions, cut list, drawings, build photos and step by step instructions)
- Dimensions: Inches
- Tools required: Table saw, pneumatic nailer, drill, router
Original Concept Video (and some build tips):
More about our deluxe plans:
Our deluxe project plans are more than just a set of dimensions. They include a comprehensive set of step-by-step instructions with dozens of photos and illustrations to walk you thorough the build.
You will NOT receive a paper plan. You will be sent a link to download a digital PDF document that is compatible with most computers and digital devices. You may print it yourself or take it to a printing service. We do not provide 3D Sketchup models or CNC G-code.
Below are some examples of what our deluxe project plans look like. This plan will be similar.
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This jig is simple and inexpensive to make, but well thought out to provide a surprising level of functionality. It may be used with a plunge router and an edge guide to create accurate, repeatable mortises. You can cut tricky ones too, such as double mortises, parallel mortises and even mortises in round stock.
This fence is truly unique with an innovative locking system that self squares to the blade, a micro adjuster for fine tuning your cuts, and an anti-kick-back European style with detachable extensions. Even the rails are made from wood! It's designed to fit any saw from small, bench top units to large cabinet saws, with or without side tables. There's even a built in pencil & accessory holder! (This project can be used on its own, but it is also designed to fit our deluxe table saw workstation)
This is the ultimate table saw improvement! Not only does it add a giant work area to your bench top or contractor style saw, it can be combined with some of our other homemade tools to create an entire workshop in a 4X8 foot area! There are also sixteen drawers, several storage shelves, and room for various other small machines. Add a bench top drill press and a mini lathe, you name it! (There's even a built in lumber rack, for goodness sake!)
I designed a dovetail machine that can be made from wood, and has more features than most of the top of the line commercial versions. This machine is designed to be used with your router to make fast, even, beautiful through dovetail joints that look like you made them by hand. It is micro-adjustable so you can set how tight you want the joint to be, and it allows you to easily change the spacing and size of the tails and pins. It will also make sliding dovetail joints and router dadoes!
Router planes are amazing tools, but they are also largely misunderstood. And that's a shame, because they are extremely useful in both a hand-tool and a power-tool workshop. Rather than cutting profiles, as a modern router does, a router plane is for cutting to depth with precise accuracy. They can be used to make the bottom of a table saw dado perfectly flat. They can fine tune a rabbet or a tenon. They are the perfect companion to many power tools with nearly unlimited uses.My version of the router plane is easy to make from a scrap of wood and some easy to find hardware. And unlike other homemade versions, this has a micro-adjuster to set the depth and shaving thickness.
The Europeans have had a secret for years- their saws have sliding tops for easy and accurate crosscuts! We can buy attachments for our saws in the US, but they are EXPENSIVE. So why not make your own? This one mounts to the side of your contractor or cabinet saw (for smaller saws, use with the TS Workstation) and includes an adjustable miter fence, even a storage drawer. Great for working with plywood panels!