ACUTE ANGLED JOINTS

An acute angle joint joins two boards together at an angle less than 90°. The acute angled joint is very similar in construction to the the obtuse angled joint and can be used with the obtuse angled joint to make boxes with angles other than 90°.

SETUP

Fig. 55A

Joint

Angle

Use the same setup as you would for the obtuse angled joint. Use 180° minus the joint angle for the insert angle when you make your angled insert or your angled clamping board.

NOTE: If the acute angle and the obtuse angle add up to 180°, use the same setup for both joints.

CUTTING THE TAILS

Step 1 -

Step 2 -

Step 3 -

Step 4 - Step 5 -

Cut the end of the tail board according to the instructions on the drawing (Fig. 56A). Steep angles or thin wood will make for a weak joint. Make this cut on a table saw with the blade beveled. Set the miter gauge at 90° for the first cut and use a tenoning jig for the second cut (Fig. 56B).

Clamp the workpiece as you did for the obtuse-angled joint, except face the outside surface of the board away from the base of the jig.

Step 3 is identical to Step 5 in "CUTTING THE TAILS" of the obtuse-angled section. Set the router bit depth to where the step is in the tail board.

Cut the tails and remove the tail board.

FIRST CUT

SECOND CUT

THICKNESS OF PIN BOARD

THIRD CUT

(IF NECESSARY)

ANGLE BETWEEN BOARDS

OUTSIDE

INSIDE

SURFACE

SURFACE

OF BOARD

OF BOARD

 

Fig. 56A

Fig. 56B

CUTTING THE PINS

Step 1 -

Step 2 -

Step 3 -

Step 4 -

Cut the end of the pin board according to the instructions on the drawing (Fig. 57A). Steep angles or thin wood will make for a weak joint. Make this cut on a table saw with the blade beveled, and with the miter gauge set at 90°.

Clamp the workpiece as you did for the obtuse-angled joint.

Hold the boards together and mark the end of the pin board at the edges of the tails.

The remainder of the steps, including fitting the joint, are identical to the obtuse-angled joint section.

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Porter-Cable 4210 & 4212 instruction manual Acute Angled Joints, Setup
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4210 & 4212 specifications

Porter-Cable, a brand renowned for its high-quality power tools, offers a variety of products that cater to the needs of both professionals and hobbyists. Among its notable products are the Porter-Cable 4210 and 4212 Dovetail Jigs, which stand out for their precision, versatility, and user-friendly design. These jigs are essential for woodworking enthusiasts looking to create strong and visually appealing dovetail joints.

The Porter-Cable 4210 Dovetail Jig is designed with simplicity and ease of use in mind. It features a robust aluminum base that provides stability during operation, ensuring accurate cuts every time. One of its standout features is the built-in template system, allowing users to create half-blind, through, and box dovetails without hassle. The adjustable pins and tail spacing facilitate a variety of joint sizes, making it suitable for different projects, whether you’re building fine furniture or cabinetry.

Another remarkable feature of the 4210 is its user-friendly setup. The jig's intuitive design allows users to quickly adjust the settings for various woodworking applications, saving time and effort. The depth stop feature provides precise control over the cutting depth, allowing for consistent results that meet high-quality standards. The Porter-Cable 4210 is powered by a router, which adds to its versatility, enabling the creation of different joint types with ease.

The Porter-Cable 4212 Dovetail Jig takes the capabilities of the 4210 and brings them to the next level. This model offers enhanced features, including a more advanced template system that allows for greater customization and flexibility. The 4212 includes templates for both through and half-blind dovetails along with box joints, making it a comprehensive solution for woodworkers seeking variety in joint design.

Both jigs are equipped with a sturdy carrying case for portability, making them ideal for those who need to transport their tools to job sites or workshops. Additionally, the durable construction of both models ensures they can withstand the rigors of frequent use. Users appreciate the quality craftsmanship that Porter-Cable has maintained in both models.

Overall, the Porter-Cable 4210 and 4212 Dovetail Jigs are excellent additions to any woodworker's toolkit. With their combination of precision, ease of use, and versatility, they empower users to create professional-quality dovetail joints with confidence. Whether you are a beginner or an experienced craftsman, these jigs offer the reliability and performance necessary to enhance your woodworking projects.
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