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Insert Underlay

CAD drafting Insert Underlay 0    Ribbon: Insert – Reference > CAD software Insert Underlay 1Underlay…

CAD drawing Insert Underlay 2    Menu: Insert > CAD drafting Insert Underlay 3 Underlay…

CAD software Insert Underlay 4 Command line: UATTACH

Insert DWF, DWFX or PDF underlays to the drawing. In case of using C3D graphics core, the following 3D formats can be inserted:



Parasolid (*.x_t; *.x_b)


IGES (*.igs; *.iges)


STEP (*.step; *.stp)

203, 214

ACIS (*.sat)


VRML (*.wrl)


STL (*.stl)


note: Date from inserted PDF underlays can be further converted into a document by the Convert PDF command.


CAD drawing Insert Underlay 5




List of inserted underlays’ names.

CAD drafting Insert Underlay 6

Opens Select Underlay file dialog to select and insert new underlay.

Found in

Displays information about the path by which the underlay file was found.

Saved path:

Displays information about the saved path to the underlay file.

Path type:

Information about path of underlay file. Variants:

·         Full path

·         Relative path

·         No path

Insertion point

Specify on-screen

Selects the insertion point after the dialog box is closed.

X: Y: Z:

Specifies the point coordinates for the underlay insertion.


Specify on-screen

Specifies the scale of underlay after the dialog box is closed.


Width scale factor.


Height scale factor.

Uniform scale

Specifies the scale factor for the Width or Height values. A value specified for Width is also reflected in the Height value.


Specify on-screen

Specifies the rotation angle for the inserted underlay, using the pointing device.


Sets the rotation angle for the inserted underlay.

Insert image relative to


Sets the insert underlay mode relative to the User Coordinate System (UCS).


Sets the insert underlay mode relative to the World Coordinate System (WCS).

Auto zoom

Switches on/off the full screen mode of the inserted underlay.


CAD software Insert Underlay 7

Shows/hides underlay page information (type, size, layer).

CAD drawing Insert Underlay 8

Zoom and pan buttons in preview dialog.


Numbers of selected pages to insert.

CAD drafting Insert Underlay 9

Buttons for transition between pages in underlay.



Info: NanoCAD is an easy-to-use, inexpensive, and yet powerful, CAD freeware tool for Windows, that provides a great user experience by providing top-level performance, full capability, a classic interface and native.dwg format support. nanoCAD has been built to deliver design and project documentation for all industries. nanoCAD includes a full suite of basic and advanced CAD tools for 2D/3D drafting and creating industry-standard DWG-compatible CAD files. Our program provides progressive, collaborative and customizable features to enhance your efficiency, and includes several API's, allowing anything from routine task automation to complex CAD app development. You may try nanoCad for free, using the links below, and buy later, in case you like it.
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