Claire WhitakerBy Claire Whitaker

Updated November 2026

Learning how to make wood signs with a router lets you turn a plain board into a finished sign with carved or routed lettering in an afternoon. The process comes down to three things: preparing a stable piece of wood, transferring a clean design onto it, and routing in shallow, controlled passes. Follow the steps below and you will end up with crisp letters and a sign you can hang, gift or sell.

Choose the Right Wood and Prepare the Board

Start with a flat, dry board. Pine, poplar and basswood are common choices because they cut cleanly and take stain well, while oak and walnut give a more formal look but can chip if your bit is dull. Plan on a board at least 1 inch thick so the router base has enough surface to ride on. Surface the face with a hand plane or planer, then sand it through 120 and 180 grit. Clamp the board to a flat workbench or a sacrificial MDF base so it cannot shift during routing.

Shopping for one? See our guide: Top 7 CNC Router Wood Signs Picks: Bits and Kits for Sign Making.

Design and Transfer Your Lettering

Lay out your text in a design program or on paper at the final size, then transfer it to the board. Stencils, carbon paper or a printed design glued on with spray adhesive all work. Use a block font with rounded or square corners if you are new; very thin script strokes are harder to follow with a router. Leave at least 1 inch of margin around the outer edge so there is room for clamps and a clean border.

Set Up the Router and Cut the Letters

Choose a bit suited to the job. A V-bit carves a beveled, sign-painter style groove, while a straight or round-nose bit cuts a flat-bottomed recess. Install the bit with at least half of the shank in the collet, and check that it is tight.

  1. Set the cutting depth to about 1/16 inch for the first pass. Work up to a final depth of 1/8 inch or less for most signs.
  2. Make a test cut on scrap of the same species to confirm depth and feed speed.
  3. Rout the outline of each letter first, moving the bit counterclockwise around the inside of the shape so the router pulls against the cut.
  4. Clear the remaining material from the center of each letter in several shallow passes. Do not try to take the full depth in one pass.
  5. Keep the router moving at a steady speed. Stopping in one spot leaves burn marks.

For larger letters, a template guide with a bushing keeps the router following a fixed pattern. If you plan to make several signs, a template is worth the setup time.

Checklist before you start

  • Flat, dry board at least 1 inch thick
  • Clamps or a vacuum hold-down
  • Router with variable speed, if available
  • Bit appropriate for the design (V-bit or straight bit)
  • Dust collection or a shop vacuum
  • Safety glasses and hearing protection

Sand, Finish and Hang Your Sign

Once the routing is complete, sand the flat areas lightly with 180 or 220 grit, taking care not to round over the letter edges. Blow out the dust with compressed air. Apply a stain or paint into the recessed letters, wiping off the excess from the surface. Finish with two to three coats of exterior-grade polyurethane or spar varnish if the sign will be outdoors. Wait for each coat to dry as directed on the can before applying the next.

Common Mistakes

  • Routing the full depth in one pass, which causes tearout and bit deflection.
  • Skipping the test cut, which can leave letters too shallow or too deep.
  • Feeding the bit against the rotation direction, which makes the router kick.
  • Using a dull bit, which burns the wood and leaves rough edges.
  • Sanding the letter edges, which softens the crisp lines you worked to create.
  • Trim router with variable speed: makes it easier to match speed to the wood species and bit size. View on Amazon
  • V-groove router bit set: gives you carved lettering with clean, beveled edges. View on Amazon
  • Router template guide kit: keeps repeated letters consistent across multiple signs. View on Amazon

If you want more starting points, our roundup of Top 5 Router Bits for Wood Signs: Picks Compared for Sign Making (2026) covers bit types in detail. For stencil-based projects, Wood Router Letter Stencils: 4 Best for Sign Making and Crafts (2026) is a useful companion. Beginners who want to see the process in motion may also find CNC Wood Router Video: How to Find and Use Tutorials That Teach Real Skills helpful, and How to Router Words Into Wood: A Step-by-Step Guide for Beginners walks through a similar technique.

FAQ

What is the best router bit for wood signs?

A V-groove bit is the most popular choice for carved, sign-painter style lettering because it produces beveled edges. Straight or round-nose bits work well for flat-bottomed recesses and block lettering.

How deep should I route letters into a wood sign?

Most hobby signs use a depth between 1/16 and 1/8 inch. Shallower cuts are easier to control and leave less risk of tearout, especially on softer woods.

Can I make a wood sign without a CNC machine?

Yes. A handheld router with a template guide or freehand routing with a steady hand can produce excellent results. A CNC is useful for repeat production but is not required for a single sign.

Conclusion

Making wood signs with a router comes down to good stock, a clear design and shallow, controlled passes. Test your depth before committing to the real board, and take your time with the finish. With a little practice, you can turn out signs that look professionally made.

Ready to choose one?

Claire Whitaker

About Claire Whitaker

Claire Whitaker is part of our editorial team and reviews and edits our woodworking guides, checking product details against manufacturer specifications and owner feedback.