JTB Spot Elevation is an app to insert surveying Spot Elevation blocks and manage them on an Edit Properties spreadsheet.

OCF検定に合格しているDWGとSXF形式（sfc/p21/SFZ/P2Z）への相互変換ツールです。 またCivil 3Dで出力したLandXMLに、日本独自の属性を付加し、「３次元設計データ交換標準（案）Ver.1.3」として出力します。

A set of tools extends Autodesk® AutoCAD® standard point cloud cropping functions.

Inserts Text Bubbles at end of lines, arcs, polylines, splines, and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

Inserts Text Bubbles at end of lines, arcs, polylines, splines, and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

View Tools provide an excellent set of productivity tools to twist the view, control the crosshairs, and create and manage viewports.

View Tools provide an excellent set of productivity tools to twist the view, control the crosshairs, and create and manage viewports.

Carlson Connect is a collection of routines for transferring and converting data between Autodesk® Civil 3D® and Carlson Software applications.

Populate polyline areas to block's attributes.

Convert model space title blocks to layouts

JSON Exporter For Autodesk® AutoCAD® exports the model to a JSON (.json) file.

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.

Sums lengths/areas and copies them to the clipboard.

Selects all objects of the same layer / block name / object type / color as the selected object(s).

Program to easily change the layer name or name of the selected block.

Inserts text from the clipboard to the selected TEXT, MTEXT, MULTILEADER, ATTRIBUTE, or ATTRIBUTEDEFINITION TAG.

Searches for text content given by the user and selects matching objects.

Filters selected objects by desired object types, layers, colors, blocks, linetypes, lineweights, linetypescales, or text content of MTEXT and TEXT objects.

Extends picked end of an object (or last segment) to the picked destination point in the direction parallel to the object.

It creates a new layer with the same properties as the layer of the selected object.

Moves/copies/stretches object to the calculated intersection point of lines. The user would normally have to construct to define that point.

Show the DWG and DXF versions and properties and metadata in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

This program introduces two new 3DSolid edition commands: STRIM that subtracts overlaps without deleting the trimming solid, and SSPLIT that creates separate solids out of any overlapping portion.