Blog — Notes from the shop

CNC guides that respect your material.

Photo carving, feeds and speeds, GRBL setup — written from the bench, usable with any toolchain. Two new guides a month, kept up to date.

Beginner · G-code

What is G-code? A plain-language guide for CNC beginners

The language that tells your machine where to move, how fast, and how deep — what it is, how CAM creates it, and why you almost never write it by hand.

6 min read16 Apr 2026

Photo carving

How to carve a photo into wood with a CNC

From iPhone shot to V-bit grooves: choosing the photo, the bit, the depth — and what makes a portrait read at arm's length.

GuideIn the works

Beginner · GRBL

Feeds and speeds for wood: a beginner's table

One honest table for softwood, hardwood, MDF and ply — with the reasoning, so you can adjust it for your machine.

ReferenceIn the works

Materials & shop

Walnut vs maple vs MDF for engraving

How each material takes a V-bit, what the grain does to fine detail, and which one to practice on first.

MaterialsIn the works