Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Sculptris - Sculptris: Enter a world of digital art without barriers.
PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.