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

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

Manage drawings with many layouts more easily in a palette.

Manage drawings with many layouts more easily in a palette

An app to batch change or fix filepaths and names of external references in drawings. Supports Xrefs, Datalinks, Raster Images, PDFs, DWFs, and DGNs.

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

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

An app to batch change or fix filepaths and names of external references in drawings. Supports Xrefs, Datalinks, Raster Images, PDFs, DWFs, and DGNs.

App to simplify layer override settings within viewports.

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.

Drawing Windows Colors changer for OSNAPZ.

Drawing Windows Colors changer for OSNAPZ.

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

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.

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.

Creates random flagstone patterns or layouts based on certain rules.

Creates random flagstone patterns or layouts based on certain rules.

App 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/immediate point/sag and optionally a diameter(width)

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

DWG Columns freeware shows the DWG and DXF version in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

This app can be used with Autodesk® AutoCAD® to enable the OFFSET command to work with externally referenced drawings, blocks, and lines within associated arrays, dimensions, and tables.

This app can be used with Autodesk® AutoCAD® to enable the OFFSET command to work with externally referenced drawings, blocks, and lines within associated arrays, dimensions, and tables.

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