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cnc Mar 26, 2026 ◯ 1 min read

Cutting Hardwood Joinery on the Wolfpawn

wolfpawnjoinerydadoesrabbetsmortisewoodworking

The Wolfpawn can cut repeatable, accurate joinery that's tedious or impossible by hand. Dadoes, rabbets, and simple mortise-and-tenon joints are all achievable.

Dado (Cross-Grain Slot)

A dado is a slot cut across the grain to house a shelf or panel.

Setup in Aspire:

Settings (hardwood):

Fit: Target 0.1–0.2 mm clearance — snug but slides in. Test with offcuts first.

Rabbet (Shoulder Cut)

A rabbet is an L-shaped cut along the edge, typically for panel insets or back panels.

Setup: Pocket toolpath cutting from the edge inward.

Same settings as dado. Run the cut from the edge — climb cut on the inner wall for cleanest results.

Simple Mortise

A rectangular pocket for a tenon.

Setup: Pocket toolpath, size to your tenon + 0.1–0.2 mm clearance.

Critical: CNC mortises have radiused corners — either:

Box Joints (Finger Joints)

Repeatable finger joints are where CNC excels over hand tools.

  1. Design the finger pattern in Aspire (or use a dedicated plugin)
  2. Profile cut each finger with a 1/8" bit
  3. Multiple pieces with identical cuts = tight fitting joints

Fit: Add 0.1 mm clearance — joints should tap together with a mallet.

Tolerance Testing Workflow

Before cutting your real pieces:

  1. Cut a test joint in scrap of the same species
  2. Adjust clearance if too tight or too loose (typically 0.05–0.1 mm steps)
  3. Save the working file for future use