Parametric Drawer Organizer in FreeCAD

I need a clean, fully-parametric model of a rectangular drawer organizer built in FreeCAD. The design will be printed on my own 3-D printer and used to separate kitchen utensils, so corners should be filleted just enough to avoid sharp edges while still printing reliably.

Key dimensions must stay editable from the Spreadsheet / Property panel: overall length, width, height, wall thickness, plus independent counts and spacing for partitions running both directions. For this job those counts are fixed at two partitions across the width and two along the length, giving me a 2 × 2 grid of slots, but I want the model set up so I can change those numbers later without breaking the feature tree.

I’m expecting the finished .FCStd file with well-named bodies and constraints, and an export of the watertight STL ready for slicing. If you build with standard Part Design workbench tools and keep the parametric links tidy, approval will be quick.