A white 3D-printed storage tray with one orange bin inside
3D model of a storage bin

Bin

Half of the standard 42 mm Gridfinity: a 21 mm grid. Just the right size for small parts.

3D model of a baseplate

Baseplate

Make the base that holds your bins. Cells are paired into 42 mm pockets, so standard Gridfinity bins fit too.

Tracing scissors from a photo and setting the size STEP 1

Trace (capture the tool shape)

Cut the tool out of a photo and turn it into a smooth vector outline. Set the real size and export it as SVG or PNG.

3D model of a bin with a scissors-shaped pocket STEP 2

Cutout (tool-shaped bin)

Make a bin with a pocket in the traced shape. Choose depth, clearance and rim/floor rounding, then export STL.

Underside (feet) of a 21 mm grid bin
What is Gridfinity? How the 21 mm half size worksWhy half-size cells let you fit storage in exact 21 mm steps, explained with pictures.