# BookTrackerLetterBoxDrawer

[![HasanEdain](https://cuttle-uploads.imgix.net/6789/9dd0f0636c08f09b881eee4e38ccbc7b3d85fcc7fdf5096f5bad24a130280834.jpg?auto=compress,format&q=80&fit=crop&width=32&height=32&dpr=1)Hasan Edain](https://cuttle.xyz/@HasanEdain)

Remix of [Box With Dividers](https://cuttle.xyz/@cuttle/Box-With-Dividers-LFERvnBMrvVE) by [Cuttle Official](https://cuttle.xyz/@cuttle)

Nov 8, 2025 (updated Nov 14, 2025)

Public

![](https://cuttle-uploads.imgix.net/56/fd7487d6230193534b59734c72a6eb7221280a99e39403d84c774df4ed7bd6b9.jpg?auto=compress,format&q=80&fit=max&width=700&height=1280&dpr=1)

Make a laser cut box with finger joints and internal dividers. Customize the outer dimensions, material thickness and the size of the compartments.

## Video Tutorial

[YouTube video](https://www.youtube.com/watch?v=RQDiQe12Z90)

[Watch on YouTube](https://youtu.be/RQDiQe12Z90)

## How to Use

1.  Set the outside dimensions (`width`, `depth`, and `height`) of your desired box.
    
2.  Set the `materialThickness` based on the material you're cutting. This will determine the height of the finger joints.
    
3.  Set the `kerf` to compensate for the kerf of your cutter, this has the most influence on the fit. A value of 0.007" seems to work for most people. You can use the [Finger Joints Kerf Tester](https://cuttle.xyz/@cuttle/Finger-Joints-Kerf-Tester-HtXY1a0X89hP) to figure out the ideal kerf compensation for your materials and machine.
    
4.  Select the number of `columns` and `rows` and the size will be evenly adjusted to fit the outside dimensions.
    
5.  Optional: adjust the `tabWidth` if you want your finger joint tabs to be bigger or smaller.
    

## Custom Sizing on the Dividers

You can select a custom inner dimension for each `column` or `row`, from left to right. For example `[1, 2]` will make the first column 1 inch and the second column 2 inches. You can enter -1 for any column that you want spaced evenly. For example, entering `[2, -1, 2]` would make the left and right columns 2 inches and have the middle column take the remaining space.

## Metric Measurements

To work with this project with metric measurements, under "Custom Sizing" change the `spacingUnits` parameter to mm.

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