craiyon logo

Line drawing sketch of a classroom communication device made of stacked cubes with messages, shown in front, exploded, and side views on a desk.

Line drawing sketch of a classroom communication device made of stacked cubes with messages, shown in front, exploded, and side views on a desk.

3D product design sketch of a classroom communication device inspired by stacked toy building cubes, placed on a student desk. The device consists of a compact base holding 3–5 interlocking cube panels, each cube representing a different student message: “I need help”, “I don’t understand”, “I have a question”, “Can you check my work”, “Finished”. MAIN FEATURE Each cube is rotatable around a horizontal or vertical axis. Front cube is active, showing the message “I need help”. Other cubes are stacked behind or beside to demonstrate rotation/flick mechanism. MECHANISM Cubes connected via a hidden axle inside the stack, allowing individual rotation Exploded view: cubes, axle, base with locking tabs VIEWS Front view: Active cube front-facing, other cubes stacked behind Side view: Cube rotation alignment and stack depth Exploded view: Cubes, axle, base SCALE + CONTEXT Pen beside device for scale Notebook on desk Cubes sized for classroom readability STYLE Clean line drawing sketch, black ink + grey shading Active cube highlighted (light color) Labels: “Rotating Cube”, “Axle Mechanism”, “Base” REFERENCE draw 2 cubes stacked on top of each other Mehr sehen