Blog · hobby CNC for beginners

Learning desktop CNC

Plain explanations of the parts and specs you meet when you start looking at hobby CNC routers, each one tied to what real machines publish.

• 1 November 2026 · 2 min read

  How a desktop CNC router works, from drawing to cut

  Six steps sit between an idea on screen and a groove in a board. Here's what each one does.

• 1 November 2026 · 2 min read

  Work area, travel and footprint: the three sizes on a CNC spec sheet

  A machine with a 400 mm work area can take up nearly three times that much bench. The numbers from the spec sheets in the record.

• 1 November 2026 · 2 min read

  Leadscrew vs ballscrew: how a CNC router moves

  Two ways of turning a motor's spin into straight-line motion, and which machines in the record use each.

• 1 November 2026 · 2 min read

  Router or spindle: what "spindle not included" means

  Six machines in the record ship without anything to cut with. What they expect you to add.

• 1 November 2026 · 2 min read

  GRBL, grblHAL and the controller box

  The free firmware inside many hobby CNC machines, where it came from, and what the makers in the record use.

• 1 November 2026 · 2 min read

  Open-loop vs closed-loop stepper motors

  Most hobby CNC machines assume their motors did what they were told. Some check.

• 1 November 2026 · 2 min read

  Rods, tubes and profile rails: what the axes slide on

  The guides that keep each axis straight come in a few shapes. What the makers in the record say they use.

• 1 November 2026 · 2 min read

  Where CNC spec sheets contradict themselves

  Reading fourteen product pages line by line turned up eleven places where a page gives two answers. What they were, and what to ask.

• 1 November 2026 · 2 min read

  What a desktop CNC router costs, from $219 to $3,890

  Prices for every machine in the record, what each price band gets you in size, and which ones include something to cut with.

• 1 November 2026 · 2 min read

  What's in the box: what a desktop CNC price includes

  The frame and the electronics always come with the machine. The router, the software, the offline controller and the legs might not.

• 1 November 2026 · 2 min read

  Offline controllers: running a CNC without a computer

  A handheld box that runs a job from a memory card. Which machines in the record offer one, and what it does and doesn't replace.