A seven-parameter similarity transformation calculator in 3D space.

Zero Level Pro plugin for Autodesk® AutoCAD® is designed to benefit users for calculating the vertical sections levels in all engineering fields to save time and effort and give more accuracy.

Creates multiple profile views quickly for multiple alignments, with network parts in the profile views based on their horizontal distance to the alignments.

SERI Traffic Signs & Earth allows you to insert traffic signs, pedestrian crossings and imports images from BING into your design. Automates the process of creating detailed traffic signs plans.

This Catenary program for Autodesk® AutoCAD® makes it easy to create or draw a catenary curve as a polyline by specifying the start and end point and the length or sag and optionally a diameter(width)

This Catenary program for Autodesk® AutoCAD® makes it easy to create or draw a catenary curve as a polyline by specifying the start and end point and the length or sag and optionally a diameter(width)

App to simplify layer override settings within viewports.

You can insert text bubbles to lines, curves, or draw leaders with it, or quickly make a schedule from text bubbles and/or other blocks.

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.

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

Align text or other objects on lines, arcs, polylines, featuring many other "plus" commands.

JTB Quick Perspective for Autodesk® AutoCAD® will transforms Points, Lines, straight Polylines and "landscape" Blocks to perspective view drawing, all in 2D working space.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

JTB Rebar is a BIM-like Rebar Callout - Automatic Rebar Table - Dynamic Beam Detailing app for Autodesk® AutoCAD®.

JTB Rebar is a BIM-like Rebar Callout - Automatic Rebar Table - Dynamic Beam Detailing app for Autodesk® AutoCAD®.

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

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

Batch and script utility for processing multiple Autodesk® AutoCAD® drawings.

Batch and script utility for processing multiple Autodesk® AutoCAD® drawings.

JTB Sheet Set Creator is an app for Autodesk® AutoCAD® that creates new Sheet Sets and Sheets (drawings) based on an Excel template for usage in Sheet Set Manager.

Convert all raster images in drawing(s) to OLE objects, it's like binding external image references.

JTB Sheet Set Creator is an app for Autodesk® AutoCAD® that creates new Sheet Sets and Sheets (drawings) based on an Excel template for usage in Sheet Set Manager.

Convert all raster images in drawing(s) to OLE objects, it's like binding external image references.