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Box Designer

Free

Create parametric wooden boxes with precise finger joints. Optionally add dividers that are distributed evenly by default or can be positioned freely. Perfect for CNC routers and laser cutters.

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Parameters
Adjust the box parameters

Box Dimensions

Dimensions including finger joints (total part size)

Outer width of the box

Outer height of the box

Outer depth of the box

Material

Material thickness (e.g. plywood, MDF)

Gap between parts in the layout

Laser cut compensation (0 = none)

Fingerjoints

Target width per finger (adjusted automatically)

Minimum fingers per edge

Separators

Evenly spaced separators

Separators along width (parallel to front/back)

Separators along depth (parallel to left/right)

Layout

Adjust parameters to generate a box

Precise Finger Joints

Automatic calculation of the optimal finger layout with kerf compensation for perfectly fitting joints. Corners are fully closed all the way around.

Dividers & Compartments

Add dividers in the X and Y direction — spaced evenly automatically or positioned manually. Cross-lap joints wherever dividers intersect.

Instant Export

Export as SVG, DXF, PDF or STL, ready for your CAM software. All panels and dividers come pre-arranged in an optimized flat pattern.

Usage Tips

  • Material thickness: 3-6mm plywood is ideal for small boxes, 10-15mm for larger builds
  • Finger width: Rule of thumb: 2-3× material thickness for optimal stability
  • Dividers: In auto mode, dividers are spaced evenly. In manual mode, they can be positioned freely. Intersecting dividers automatically receive half-depth cross-lap slots.
  • Kerf: Typical values: laser 0.1-0.2mm, CNC end mills 1-3mm (depending on bit diameter)
Box Designer - Finger Joint Boxes