
FitGrid: Gridfinity Designer
Gridfinity bins & baseplates
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Free
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About
FitGrid designs 3D-printable Gridfinity storage on your iPhone and exports files ready for your slicer.
BUILD A BASEPLATE
• Type in or measure a drawer opening and FitGrid plans a baseplate that fills it.
• Standard 42 mm cells, with smaller edge cells for leftover space instead of oversized ones.
• Choose Minimal frame, Reinforced frame, Solid-backed or Weighted plate styles and compare them side by side.
• Optional magnet pockets, screw holes and mount-to-surface holes.
• Large drawers are split to fit your printer's bed, with Dovetail joints that lock the pieces together.
• Interactive 3D preview of the assembled plate and of each print bed.
PLAIN GRIDFINITY BINS
• Pick a width, depth and height in Gridfinity units.
• Add a stacking lip, front scoop, label ledge, compartments, magnets or screws.
• Match a bin to exact cells on a saved baseplate, including smaller edge cells.
SHAPED INSERTS (LiDAR devices)
• On an iPhone or iPad with LiDAR, scan an object and FitGrid builds a fitted holder insert for it.
• Scanning and 3D reconstruction run entirely on your device.
EXPORT
• Export 3MF or STL and share with AirDrop, Files or any app.
• For the Bambu Lab H2C with PLA, 3MF files include ready Bambu Studio project settings.
• Printer presets include Bambu Lab A1, P1S and H2C, Prusa MINI+, MK4 and XL, and Creality Ender 3.
PRIVATE BY DESIGN
No account, no ads, no analytics and no tracking. Your projects stay on your device.
Gridfinity is an open-source modular storage system created by Zack Freedman. FitGrid is an independent app and is not affiliated with him.
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What's New in FitGrid
1.0
October 8, 2026






