Uploaded May 2025 | Updated September 2026, 2 weeks ago
Learn how to flatten a warped or rough board using a CNC wood router. In this detailed tutorial, I walk through every step of the board-flattening process—from design setup in VCarve, proper hold down and shimming to prevent wobble, and surfacing both sides of the board. Whether you’re working with hardwood slabs, reclaimed lumber, or just need a flat surface for your next project, this guide shows you how to get professional results with your CNC router.
In this video, you'll learn:
➡️ Why and when to flatten a board with a CNC router
➡️ Best bit to use for surfacing wood
➡️ Toolpath settings for smooth, efficient cuts
➡️ Tips for securing the board
➡️ How to avoid common mistakes during the flattening process
This is a must-watch for any CNC woodworker looking to know how and when to surface a board using a CNC and achieve precision results!
Tools Used:
Laguna IQ CNC
Bit used: Rip Precision Tools Slab Slayer: ripprecisiontools.com/?ref=692c5q8z
Use Referral Code: ROBSANDSTROM for a discount
.5" Surfacing Bit SlabSlayer SKU: ISB-MD2500D50S45D
Software: Vectric VCarve Pro
Chapters:
0:00 Introduction
0:45 Why Flatten with CNC?
1:35 Shimming Board to Avoad Rocking
02:50 Toolpath Settings in Vectric
03:45 What to look for when surfacing and why
04:15 Implementation of the surfacing process and surfacing
06:25 Flipping board and surfacing other side of board
08:15 Summary and Review of Flattening Process
Don’t forget to like, subscribe, and drop a comment if you found this helpful!
====================
Connect with me !
====================
Website: robsandstromdesigns.com
Instagram: instagram.com/robsandstromdesigns
Facebook: facebook.com/robsandstromdesigns1
I love to pass on knowledge and skills Learned. My quest with this channel is to Share knowledge and skills that I have obtained and Inspire others to learn new things and use that knowledge to make cool stuff. Don't let fear get in the way of success.
Learn how to flatten a warped or rough board using a CNC wood router. In this detailed tutorial, I walk through every step of the board-flattening process—from design setup in VCarve, proper hold down and shimming to prevent wobble, and surfacing both sides of the board. Whether you’re working with hardwood slabs, reclaimed lumber, or just need a flat surface for your next project, this guide shows you how to get professional results with your CNC router.
In this video, you'll learn:
➡️ Why and when to flatten a board with a CNC router
➡️ Best bit to use for surfacing wood
➡️ Toolpath settings for smooth, efficient cuts
➡️ Tips for securing the board
➡️ How to avoid common mistakes during the flattening process
This is a must-watch for any CNC woodworker looking to know how and when to surface a board using a CNC and achieve precision results!
Tools Used:
Laguna IQ CNC
Bit used: Rip Precision Tools Slab Slayer: ripprecisiontools.com/?ref=692c5q8z
Use Referral Code: ROBSANDSTROM for a discount
.5" Surfacing Bit SlabSlayer SKU: ISB-MD2500D50S45D
Software: Vectric VCarve Pro
Chapters:
0:00 Introduction
0:45 Why Flatten with CNC?
1:35 Shimming Board to Avoad Rocking
02:50 Toolpath Settings in Vectric
03:45 What to look for when surfacing and why
04:15 Implementation of the surfacing process and surfacing
06:25 Flipping board and surfacing other side of board
08:15 Summary and Review of Flattening Process
Don’t forget to like, subscribe, and drop a comment if you found this helpful!
====================
Connect with me !
====================
Website: robsandstromdesigns.com
Instagram: instagram.com/robsandstromdesigns
Facebook: facebook.com/robsandstromdesigns1
I love to pass on knowledge and skills Learned. My quest with this channel is to Share knowledge and skills that I have obtained and Inspire others to learn new things and use that knowledge to make cool stuff. Don't let fear get in the way of success.
