Custom Box Calculator

Enter the required interior dimensions of your box. The calculator will estimate the exterior dimensions and price.

Enter Interior Dimensions

inches
Allowed range: 6" to 36"
inches
Allowed range: 6" to 36"
inches
Allowed range: 2" to 6"
Interior Dimensions
11" × 11" × 2.5"
Exterior Dimensions
12.5" × 12.5" × 3.25"
Estimated Price
$110.00
Estimate only — final price is confirmed before ordering.
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Estimate based on the standard walnut box with white-oak splines shown. Final pricing is confirmed before ordering and may vary for special finishes, hardware, or other custom requirements.

3D Box Preview

Drag to rotate. Scroll or pinch to zoom. The model changes size while keeping the walnut walls at 3/4" thick and preserving the rounded corner joints.
Exterior: 12.5" × 12.5" × 3.25"
The 3D model could not be loaded. Make sure box-model.glb is in the same folder as this page.
Drag to rotate · Scroll to zoom

Interior Size

11" × 11" × 2.5"

Exterior Size

12.5" × 12.5" × 3.25"

Construction assumes 3/4" wall material. The 3D preview keeps wall thickness and the original rounded corner geometry intact as the box dimensions change.