Free course

From sketch to 3D prototype

Define a small design problem, work with dimensions and plan a prototype you can evaluate.

Skills you’ll gain:

Parametric CAD ThinkingVernier Caliper MeasurementDimensional TolerancingRapid Cardboard Mockups3D Print Slicing Constraints

Enrol for free to unlock all lessons and save your progress.

Duration & Pacing1 Hour

Self-paced with practical lab tasks

Skill LevelBeginner

Basic drawing and ruler measurement

Practical Benchmark75% Design & prototyping

Hardware wiring & test exercises

VerificationKnowledge Check

Instant feedback with concept analysis

What you’ll learn

Define measurable user requirements with accurate millimeter dimensions before digital modeling

Identify structural load constraints, print orientation strengths, and bed adhesion factors

Iterate through low-cost paper/cardboard physical models before sending files to 3D printers

Start with a measured problem
30 minsMeasured Design Brief
Measure real physical objects, specify tolerances in mm, and create orthographic sketches.
Prototype, inspect and revise
30 minsMockup & Fabrication Review
Build cardboard scale prototypes, inspect fit, and evaluate 3D printing slicing constraints.

Includes a comprehensive final knowledge check to validate conceptual mastery.

Capstone Hardware Build

Apply design-to-prototype principles to produce a dimensionally accurate, stable desk label holder.