Example 70: Derived Manual Dimensions
A nested divider layout calculates uniquely determined compartment sizes from the box and panel thickness.
BGI / EXAMPLE 70Dimensions in mm

What to notice in the project file
Section titled “What to notice in the project file”This section shows the defining layout and construction settings:
assemblies: - id: tray kind: grid construction: open_grid_box assembly: glue_allowed interior: id: all kind: split axis: x clear_mm: ["*", "*", 30] first:Full project file
Section titled “Full project file”The shaded lines mark that section in the complete YAML. This is the same project file linked below.
schema_version: 1readme: "A nested divider layout calculates uniquely determined compartment sizes from the box and panel thickness."project: id: derived-manual-dimensions name: Derived Manual Dimensionsbox: inner_mm: [120, 100, 40]material: profile: de-mdf-3mm overrides: thickness_mm: 3 kerf_mm: 0.16 fit_clearance_mm: 0.10assemblies: - id: tray kind: grid construction: open_grid_box assembly: glue_allowed interior: id: all kind: split axis: x clear_mm: ["*", "*", 30] first: id: left kind: compartment clear_mm: [45, "*", 30] second: id: right-group kind: split axis: y clear_mm: [52, "*", 30] first: id: right-front kind: compartment clear_mm: ["*", 30, 30] second: id: right-back kind: compartment clear_mm: [52, 47, 30]layout: mode: manual construction_mode: full_box placements: - id: tray origin_mm: [2, 2] rotation_deg: 0Open 70-derived-manual-dimensions.bgi.yaml and save a copy if you want to edit it in your own folder. Follow Plan your own layout to validate and build it.