Toggles various surface plan/model view display components from the command line.

Creates a 3D polyline at a desired grade or slope along a tin surface.

Move polylines to an elevation value stored in an Object Data field.

This app helps you save a lot of time to select objects by quickly making filter and quickly selecting similar objects based on sample entities.

The application for modeling curves and surfaces of high quality on criteria of smoothness.

This tool allows you to add labels to all contours more easily.

Merge surfaces end-to-end with smooth blending across gaps and transitions; Use SmartPaste to combine surfaces with interior voids.

TBN2CAD is a package of plugins for AutoCAD® to work with maps and images and also ease some design procedures.

The user can place blocks along LINES, LWPOLYLINES and 3DPOLYLINES.