Key Features
Clean Spline Alignment The Woodpeckers Spline Jig holds mitered boxes, frames, and casework at a consistent angle so you can cut repeatable spline slots with less fuss and better-looking joinery. Handles Long Workpieces Image data shows the jig can cut spline grooves in projects up to 3 feet long, which matters when you’re working on larger boxes, tall cases, or longer mitered assemblies. Low-Friction Support UHMW glide strips help the jig move smoothly while protecting your table saw top and rip fence from scratches, so setup feels controlled instead of awkward.
Overview
The Woodpeckers Spline Jig, model SPLINE-23, is a woodworking jig built to help you cut accurate spline slots in mitered assemblies on a table saw. This is a table saw spline jig designed for cutting spline grooves in miter joints. If you build boxes, small casework, picture frames, or decorative mitered panels, this jig gives you a more controlled way to strengthen those joints and add visible design detail at the same time.
The real value of the Woodpeckers Spline Jig is repeatability. Cutting splines freehand or with a shop-made cradle can work, but it usually takes more setup time and more trial cuts to trust the result. This jig gives the workpiece a stable, guided position as it passes the blade, which helps keep slot placement consistent from corner to corner. On finished pieces, that consistency is the difference between splines that look intentional and splines that look like an afterthought.
Image data also shows a built-in measuring scale and adjustable stops on the aluminum guide structure. That matters because spline work is usually about spacing just as much as depth. When you’re laying out multiple decorative splines across a corner, being able to position the cut with more control saves time and reduces scrap. It also makes the jig more useful for repeat production if you’re knocking out several matching boxes or frames.
Another practical advantage is capacity. One of the supplied images states the jig can cut spline grooves in projects up to 3 feet long. That pushes it beyond tiny keepsake boxes and into more serious furniture and cabinet work. Longer mitered parts are harder to balance and control safely during a cut, so a purpose-built jig becomes much more useful as the work gets larger.
The Woodpeckers Spline Jig is clearly set up for table saw use, and the photos show it riding against the saw fence while supporting the workpiece above the blade. That makes it a good fit for woodworkers who already have a table saw as the center of the shop and want a dedicated joinery accessory instead of building a one-off sled. The visible UHMW glide strips are another smart detail. They reduce friction during the cut and help protect the saw’s rip fence and tabletop from scratches, which is exactly the kind of detail that matters if you actually leave your tools set up and use them often.
From a build standpoint, the jig appears to use an aluminum body with adjustable red clamping and stop components, which is typical of Woodpeckers shop equipment. In plain terms, that means it is aimed at users who care about straight setup, clear reference marks, and durable hardware that stays put once adjusted. This is not just a one-job accessory. It is the kind of jig you buy because you plan to cut splines regularly and want cleaner results with less messing around.
Who should buy it? This jig makes the most sense for woodworkers, cabinetmakers, furniture builders, and serious DIY users who build mitered projects and want stronger corners with a more finished look. If all you need is a quick one-time jig from scrap plywood, you can get by without it. But if spline joinery is part of your workflow, the Woodpeckers Spline Jig is the cleaner, more repeatable answer for table saw spline cutting.
Make Miter Joints Stronger and Better Looking
Splines do two jobs at once. They reinforce a miter joint and add a clean visual accent that makes the finished piece look more intentional. This jig is built around doing both accurately.
- Designed for spline cutting on mitered boxes, frames, and case corners
- Helps produce consistent slot placement for matching decorative joinery
Control Larger Work Without Fighting the Cut
Once a project gets longer, balancing it safely for a spline cut gets a lot harder. The Woodpeckers Spline Jig gives those bigger assemblies a more stable ride so you can focus on the cut instead of trying to keep the part from twisting.
- Image text states it can cut spline grooves in projects up to 3 feet long
- Useful for larger boxes, tall case sides, and long mitered panels
Protect Your Saw While Keeping the Jig Moving Smoothly
A jig that drags, chatters, or scratches up your saw gets old fast. The UHMW contact surfaces shown in the images are a practical detail that makes setup smoother and keeps your saw top and fence from taking unnecessary wear.
- UHMW glide strips reduce friction during the cut
- Helps protect the rip fence and tabletop from scratches
Key Specifications
| Tool Type | Table Saw Spline Jig |
|---|---|
| Primary Use | Cutting spline grooves in miter joints |
| Maximum Project Length | Up to 3 ft |
| Glide Strip Material | UHMW |
| Construction | Aluminum body with adjustable hardware |
| Application Platform | Table saw |
| Made In | USA |
| SKU | SPLINE-23 |
Compatibility
Machine Compatibility Designed for use on a table saw for spline cutting operations. Workpiece Type Intended for mitered wood assemblies such as boxes, frames, and similar joinery projects.
Built For
Woodworking Cabinetmaking Furniture Building Box Making Picture Frames Miter Joinery Decorative Splines Serious DIY / Hobbyist
Pro Tip
If you’re adding multiple splines on the same corner, dial in your first location with scrap from the same thickness, then use the jig’s stops and scale to repeat the spacing. That is the easiest way to keep a set of boxes or frames looking matched instead of hand-laid.
Tool Nut’s Take
Tool Nut’s Take
Woodpeckers Spline Jig for clean, repeatable table saw spline work
The Woodpeckers Spline Jig is the kind of shop accessory that makes a fussy joinery step feel controlled and repeatable instead of homemade and hit-or-miss.
- Who it’s for: Woodworkers and cabinetmakers who build mitered boxes, frames, and casework and want stronger corners with cleaner decorative detail.
- Why it stands out: It handles longer work, uses a guided table saw setup, and includes practical details like UHMW glide strips and adjustable positioning hardware.
- Worth knowing: This is a jig for people who plan to cut splines more than once. If spline joinery is part of your regular workflow, it saves setup time and gives you more consistent results.
Common Questions
- What kind of tool is this? It is a table saw spline jig used to cut spline grooves into mitered wood joints.
- What types of projects is it suited for? The images show it being used on boxes, frames, and other mitered woodworking assemblies where added joint strength and decorative splines are wanted.
- How large a project can it handle? Image text states it can cut spline grooves in projects up to 3 feet long.
- Does it help protect the saw surface? Yes. Image text states the UHMW glide strips protect the rip fence and tabletop from scratches while reducing friction during use.
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