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CNC template · Learning

Times table wheel

Preview of the CNC template “Times table wheel”

Two discs on top of each other: through its window the top one shows the table you turn it to, from 1 × n to 10 × n. For practice, say the results first, then check. All engraved, for router and laser.

Size
464 × 236 mm, 4 mm thick
Material
Plywood
Difficulty
Beginner
Milling time
approx. 18 min
Bits
V-bit 60°, End mill Ø 2 mm, End mill Ø 3.175 mm
Customise
Size, text and details adjustable with sliders

Free with an account · carve with Chrome or Edge · no installation

Build instructions

Materials and accessories

QtyPart
1Binding screw or 5 mm dowel with two washers

Also: sandpaper (grit 120 and 240), a utility knife or fine saw and, for joints, a rubber mallet.

Carving and finishing

  1. Clamp the workpiece flat on the spoilboard or secure it with double-sided tape, and set the origin as shown in the carving assistant.
  2. Engrave numbers and lines, window and centre hole with the 2 mm end mill, then cut out both discs.
  3. Free the parts at the holding tabs with a utility knife or fine saw and sand the tab remains flush.
  4. Lightly break the edges with sandpaper (grit 120, then 240) and remove burrs.

Assembly and final touches

  1. Put the small disc on the large one and connect them in the middle with a binding screw or a piece of dowel with two washers; the top one must turn easily.
  2. Turn the pointer to a number on the edge: the window shows the results of that table next to 1 × to 10 ×.

How to carve this template

  1. OpenOpen the template in the app and adjust size and text if you like.
  2. CheckLook at it in 3D, check run time and warnings.
  3. Set upThe carve wizard guides you through material, clamping, bit and zero point.
  4. CarvePress start; the app drives your Grbl router directly over USB.