Straight Cuts Using Template Guide (Router Collar)

Our standard "Cutting Solid Surface" article details cutting solid surface using a router without a template guide (often called a router collar). The few key differences and adjustments that must be made to use a router with a template guide are outlined below.

Key difference

Drop Edge Buildup

Without a Template Guide

Router base rides on material with
base held tight against straight edge

Stacked edge Buildup

With a Template Guide

Router base rides on straight edge with
template guide held tight against straight edge

Locating Straight Edge

Drop Edge Buildup

Without a Template Guide

Measure from router bit edge to
outside of router base

Stacked edge Buildup

With a Template Guide

Cut Offset = (Template Guide Width - Router Bit Width) / 2 

Using a template guide requires a much wider straight edge. Because the router base now rides on top of the straight edge, you must have sufficient room to clamp the straight edge and still clear the clamps while making your router cut. If you don't have a wide enough straight edge, consider removing your template guide and making your router cut without it.
Template Guide Requires Wide Straight Edge
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