215.0280.0431.0
Loading the interactive model…
Interactive 3D model of Parametric School Backpack

Everything else

Parametric School Backpack

9 views
Bounding box
280.0 × 215.0 × 431.0 mm
Engine
Precision B-rep
Parameters
18
Published
August 13, 2026

Download

Free to download and use. See the terms.

The prompt

Design one school bag cad models design which contains

Parameters

NameValueRange
Body Width280 mm200 – 420
Body Depth150 mm100 – 240
Body Height380 mm300 – 500
Body Corner Radius25 mm0 – 40
Front Pocket Width220 mm140 – 280
Front Pocket Depth45 mm30 – 80
Front Pocket Height190 mm100 – 280
Pocket Bottom Offset20 mm0 – 120
Pocket Corner Radius10 mm0 – 12
Handle Length140 mm100 – 220
Handle Width24 mm12 – 60
Handle Finger Gap35 mm20 – 60
Handle Bar Size16 mm8 – 24
Shoulder Strap Width55 mm30 – 90
Shoulder Strap Thickness20 mm10 – 40
Strap Vertical Offset60 mm20 – 120
Strap Spacing110 mm40 – 200
Strap Corner Radius4 mm0 – 4

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.