Linux: one of the best known and most used is LibreCAD, but you can also use DraftSight, Inkscape, Blender, FreeCAD, etc.
Linux: ຫນຶ່ງ ໃນທີ່ຮູ້ແລະໃຊ້ຫຼາຍທີ່ສຸດແມ່ນ LibreCAD, ແຕ່ທ່ານຍັງສາມາດໃຊ້ DraftSight, Inkscape, Blender, FreeCAD, ແລະອື່ນໆ.