• PROGRAMMING WITH OPENSCAD. A Beginner’s Guide to Coding 3D-Printable Objects by Justin Gohde and Marius Kintel - 206 pages
• Shape Interrogation for Computer Aided Design and Manufacturing
  • Shape interrogation is the process of extraction of information from a geometric model.
• Хабр / СМИ: российские девелоперы потеряли доступ к части проектной документации из-за блокировки облачных аккаунтов Autodesk
• FreeCAD.org Your own 3D parametric modeler
• Theia 2D to 3D
  • Французский стартап Spare Parts 3D разработал программу для конвертации «бумажных» чертежей в 3D-модели
• picoCAD by Johan Peitz
  • r/picocad
  • Hacker News
• a geometric modeling system (GMS). Such systems might form the kernel of a CAD/CAM system.

Tools

• Antimony is a computer-aided design (CAD) tool from a parallel universe in which CAD software evolved from Lisp machines rather than drafting tables.
  • GitHub

Wikipedia

• Template:CAD software
  • Шаблон:ПО для САПР и расчёта механики
• Virtual prototyping is a method in the process of product development. It involves using computer-aided design (CAD), computer-automated design (CAutoD) and computer-aided engineering (CAE) software to validate a design before committing to making a physical prototype.

Tinkercad Create 3D digital designs with online CAD

• Хабр / 3D-моделирование в TinkerCAD для детей: все о программе и полезные ресурсы