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CNC template · Boxes

Letter tray with three compartments

Preview of the CNC template “Letter tray with three compartments”

Organiser for mail, notebooks and invoices: two sloping sides, a bottom and three dividers tilted backwards, all joined with tenons. Width, material thickness and fit adjustable.

Size
540 × 509 mm, 9 mm thick
Material
Plywood
Difficulty
Intermediate
Milling time
approx. 45 min
Bits
End mill Ø 3.175 mm
Customise
Size, text and details adjustable with sliders
With a laser
diode laser from about 20 W (cuts 9 mm)

Try it without an account · carve with Chrome or Edge · no installation

Build instructions

Materials and accessories

QtyPart
1Wood glue (water-resistant D3)
4Felt pads

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. Mill the slanted mortises and the bottom mortises, then cut out sides, bottom and dividers.
  3. Free the parts at the holding tabs with a utility knife or fine saw and sand the tab remains flush.
  4. Before gluing, dry-fit everything. If a joint is too tight, increase the clearance by 0.05 mm and carve the part again; if it wobbles, reduce it.

Assembly and final touches

  1. Insert bottom and dividers with their tenons into one side and put the second side on. The dividers lean backwards, the lowest at the front.
  2. Glue, clamp and let dry on a flat surface. Stick felt pads under the sides.
  3. Finally oil, wax or varnish; for toys use oils or varnishes that are saliva-resistant according to EN 71-3.

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.