| 摘要 |
A variable tread and rise router template for cutting mortises in stair stringers to receive stair treads and risers which is generally triangular in shape having truncated corners and planar in configuration and a tread slot and a riser slot joining the tread slot at a right angle. The template body cuts complementary stringers, routing a first stringer, flipping the generally planar body from one working surface to its opposite working surface, and routing the other stringer. The template body has registration points slidably mounted within the template body to extend downward from the planar body when working from either working surface and a clamp assembly, each positioned to correspond with a corner portion of the template body. The registration assemblies are adjustable to determine tread and riser. The clamp assembly may be released and tightened at another desired stringer position to make the next mortise.
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