BabaCAD

BabaCAD是一款免费的二维CAD专业软件，采用LISP语言编写。软件兼容.DWG和.DXF格式，2D制图功能较为完善。
BabaCAD软件特征：

• Supports standard CAD files (*.DWG, *.DXF)
• Edit fast and save your work with high precision
• Organize and group objects with layers and blocks
• Draw and modify 2D vector objects like point, line, rectangle, polyline with arc segments, circle, arc, hatch with patterns, text, block, dimension, image
• Fast access to blocks using Block Explorer palette
• Smart quick dimensioning with linear, aligned, radius, diameter and angular dimensions
• Automate and speed up your work with LISP programming extension for BabaCAD
• World\’s first customizable and LISP enable freeware CAD. Create your own LISP command icons and load .lsp files on startup
• Object snap (end-point, mid-point, intersection, nearest, perpendicular)
• Tracking and coordinates input from command window
• Undo/Redo up to 100 commands
• Smart selection with left-to-right and right-to-left (smart touch)
• Modify commands: trim, extend, offset (offset works well with lwpolylines with bulges)
• Plot with scale, layout and multiple viewport support
• Use different colors, line types, line widths by block or by layer
• Insert images of standard image formats (jpg, bmp, gif,…)
• Insert and manage georeferenced raster images (tif/tfw,jpg/jgw,bmp/bpw)
• Fast OpenGL graphics used for rendering
• BabaCAD runs fast even on older hardware