3D CAD Software (Free) DesignSpark Mechanical Added on 16 Oct, 2025 https://www.rs-online.com/designspark/mechanical-software
3D CAD Software (Free) Onshape Free Plan Added on 16 Oct, 2025 https://www.onshape.com/en/products/free
3D CAD Software (Free) SketchUp Free Added on 16 Oct, 2025 https://www.sketchup.com/plans-and-pricing/sketchup-free
3D CAD Software (Free) Fusion 360 for Personal Use Added on 16 Oct, 2025 https://www.autodesk.com/products/fusion-360/personal
