CAD Studio Catalog is a tool for convenient access to the online block catalog at CADforum.cz. Directly insert any of the thousands free blocks and symbols.

Scatter selected regularly placed drawing objects by random nudging.

Import Survey Points and Linework into Autodesk® AutoCAD®.

The FacetCurve plugin can be used to facet 2D and 3D curves in AutoCAD® to approximate their curvature with a number of straight line segments. The faceted output is in the form of a number of lines

Generates successive polyline approximations of lwpolyline/polyline3d objects to smooth out the original shape but keep the overall polyline trend.

Morphs one polyline into another by generating intermediate polylines at arbitrary stages of the process.

A basic recursive random tree generator in 2D and 3D.

The App is a very convenient way to bring back frozen, locked and other layers to active Mode (ON).

Splice (divide) polygon into 2 equal smaller polygons.

Many AutoCAD® users have reference files set up in World coordinates. Attaching such files when in a different User Coordinate System (UCS) can result in the contents appearing at incorrect locations.

The all-powerful Google Earth extension for Autodesk® AutoCAD® that gives you the complete 3D view of your project's area, anywhere, in less than 5 minutes.

DWG/DXF Compare plugin compares two drawing files and the comparison result is shown in a new Autodesk® AutoCAD® window.

DWG/DXF Compare plugin compares two drawing files and the comparison result is shown in a new Autodesk® AutoCAD® window.

从既存的纵断面（Profile）创建一个偏移一定距离的多段线作为设计参考线。

This app makes drawing trial trenches easy and uniformly.

Transformation of drawing elements by coordinate transformation according to Helmert.

This application allows you to change the order of the vertices of the polyline.

The ArchBlocks Hatch Patterns library for AutoCAD® gives you 376 hatch patterns for architectural, interior, geological, mechanical, and landscape designers. Compatible with ALL versions of AutoCAD.

Small and powerful application for the drawing of a conditional designation of slopes used in the drawing (previous name - AlxdDike).

Display traverse values along polylines. Label values include azimuth, bearing, distance, arc length, arc angle and elevation.

Block library management tool

Easily convert those old leaders and text to Mleaders!

Pick on a drawing entity and place text in the drawing listing the entity's area.

Identify Northing and Easting of a point on the screen