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

Extrude-2-3D Path takes a 2D profile and extrudes it along a selected path object. The selected object path can be a closed polyline, arc, or an open pline path.

Spin3D new dialog interface makes it easy for you to rotate single or multiple objects in 3D model space, in any of the X, Y or Z planes. App handles all UCS changes so you don't have to.

Creates 3D steel saddles for horizontal vessels.

Revolve-2-3D takes a 2D profile and converts it to a 3D revolved solid. Options include user specified degrees for revolve and conversion to a 3D solid or 3D surface.

Profile-2-3D takes a 2D profile and converts it to 3D solid. Options include user defined thickness and conversion to 3D solid or 3D surface.

Base Mounted End Suction Pumps creates a wide variety of Metric 3D pumps from pump manufacturer data sheets, by imputing the Metric dimensional data for each pump dimension.

Base Mounted End Suction Pumps creates a wide variety of 3D pumps from pump manufacturer data sheets, by imputing the dimensional data for each pump dimension.

Quickly create 3D concrete beams, with chamfer, by selecting two horizontal points. Beams can be square or rectangular with user input width, depth, chamfer, and top of beam elevation.

A quick and simple method to create concrete pads or slabs for square, rectangular, circular, or multi-sided polygon shapes. Add user defined grout thickness.

Vertical In-Line Pumps Metric creates a variety of 3D pumps from pump manufacturer data sheets, by inputting the dimensional data for each pump dimension.

Vertical In-Line Pumps creates a variety of 3D pumps from pump manufacturer data sheets, by imputing the dimensional data for each pump dimension.

Skirts 3D App creates Vertical Vessel Skirts as a 3D solid.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

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.

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

Enable Stretch command to stretch dynamic block parameters.

Autodesk® AutoCAD® Plug-in for Arranging Objects.

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.

Virtual Tablet Navigator (VTN) is an add-on AutoLISP application using DCL to bring Autodesk® AutoCAD® physical Tablet Menu commands virtually onto the graphics screen.