Guide · Gridfinity
Gridfinity dimensions for designing your own bins
Gridfinity is an open modular storage system designed by Zack Freedman. Bins drop into a baseplate on a 42 mm grid and can be stacked. These are the key numbers for designing compatible bins and baseplates.
- Grid pitch
- 42 × 42 mm
- Height unit
- 7 mm
- Bin size
- 42 × n − 0.5 mm
- Base profile
- 0.8 mm 45° + 1.8 mm vertical + 2.15 mm 45° (total ≈ 4.75 mm)
- Magnets
- 6 × 2 mm discs (pockets ≈ 6.5 × 2.4 mm), 13 mm from the cell centre
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Main dimensions
| Feature | Value |
|---|---|
| Grid pitch | 42 mm |
| Bin outer size per unit | 41.5 mm (0.25 mm clearance per side) |
| Height unit (U) | 7 mm |
| Bin corner radius | 3.75 mm (outer) |
| Base foot bottom | 35.6 mm square, r 0.8 mm |
| Stacking lip | ≈ 4.4 mm on top of the bin height |
| Magnet pocket | 6.5 mm Ø × 2.4 mm deep |
| Screw hole | M3, often combined with the magnet pocket |
Planning a drawer
- 01Measure the drawer's inner width and depth.
- 02Divide by 42 mm and round down to get the grid size.
- 03Split large grids into baseplates that fit your print bed.
- 04Fill the remaining gap with a spacer or a padded baseplate edge.
Frequently asked questions
What is the size of a Gridfinity unit?
One unit is 42 × 42 mm on the grid; the bin itself is 41.5 mm. Height is measured in 7 mm units.
Who created Gridfinity?
Gridfinity was created by Zack Freedman and is shared as an open system that many designers build on.
Related
Updated · Generated parts are a starting point — always test-fit before relying on a part.