Autocad How to Quickly Draw Perpendicular Line

The #1 Alternative To AutoCAD LT- For Free

DoubleCAD™ XT is an AutoCAD LT® work-alike. But free. It's also 5-Star Rated from the editors at CNET and the #1 most downloaded free CAD at Download.com.

Powerful 2D CAD capabilities and great .DWG and.SKP compatibility makes DoubleCAD XT an invaluable free companion for AutoCAD® and SketchUp™ users alike and the best alternative to AutoCAD LT on the market.

With so many new, innovative features, DoubleCAD XT may be the free AutoCAD LT upgrade you've been looking for:

Features You've Been Waiting For

Surprise, DoubleCAD XT has the features you've been waiting for, things like transparent fills, draw order by layer, explodable viewports, bezier curves, flatten 3D to 2D views, hatch pattern editor, advanced polyline editing, automatically scale units between drawings, parametric variable palette, embed/bind image files in a drawing, input multiple unit types on-the-fly, and more. The stuff you want today for free.

Comprehensive Suite of 2D Drafting and Detailing tools

2D Primitives, Booleans, Snaps, Dimensions, Edit, and Modification tools, that allow for drafting and documenting even the most complex 2D design.

Focus on Drafting & Detailing

Effective drafting and detailing are the heart of CAD productivity. DoubleCAD XT employs a large selection of line, arc, curve, and spline tools so that no matter the situation you have got the right tool for the job. When used with DoubleCAD XT snaps, modification tools, and drawing aids, you will be able to quickly draft and document your designs with outstanding flexibility.

Powerful tools such as custom brush styles, transparencies, and smart dimensions also greatly enhance detailing. No need to buy a separate hatch pattern creator, DoubleCAD XT even comes with its own.

AutoCAD® DWG/DXF Compatible

Industry-leading file translators insure accurate 'round-tripping' with industry-standard AutoCAD DWG.

Compatible - Especially Workflow Compatible

DoubleCAD XT is .DWG compatible, as you would expect.

What you may not expect is a DoubleCAD .DWG file, containing ADT-compatible walls and self-aligning blocks, can be brought into AutoCAD or AutoCAD LT and designs retain their self-healing properties.

This intelligent behavior can save hours of adjustment and iteration within AutoCAD products and is yet another reason why DoubleCAD XT a great AutoCAD companion. With all the time and effort you will save, DoubleCAD XT is a no-brainer way to kick-start an AutoCAD project.

You may not expect DoubleCAD XT to enhance workflow with Google SketchUp, either, but it will.

For example, DoubleCAD XT:

Imports all visible geometry, layers, and components
Converts all SketchUp components to DoubleCAD blocks to optimize drawing performance
Creates a paper space from each SketchUp scene, thereby saving time by automatically creating viewports with the correct layer visibility and 2D or perspective view properties. These paperspace views are also immediately ready for dimensioning and annotation

DoubleCAD lets you develop construction documents quickly from SketchUp models. AutoCAD and AutoCAD LT don't come close.

AutoCAD®-Like 2D User Interface Option, Command-Line, and Dynamic Input Cursor

Minimize learning a new CAD title by allowing you to draft and design in a familiar way.

Annotation Tools

A complete set of Dimensions and Text tools allows for better communication of design intent.

Intelligent Architectural tools and objects

An integrated suite of architectural tools are included, and are AutoCAD® Architecture (ACA) compatible so that .DWG models with ACA extensions may be read, modified, and documented as needed. Objects include, Doors, Windows and Walls and are all fully parametric, meaning that all geometric (i.e. height, width, depth) and style (shape, type, material) attributes can be easily adjusted when the object is selected.

Architectural users will like intelligent self-healing walls that are ADT compatible (a considerable improvement over the AutoCAD LT double-line tool).
Any block can be used as a custom architectural element that will automatically align to self-healing walls when inserted.
Advanced handle-based editing of selected objects gives you instant access to sizing, scaling, moving, rotating, and positioning without selecting multiple tools.
Brush styles, including hatch patterns, can be created using bitmaps, transparency, and full color. Hatch patterns can even be used in layered combination for a better expression of your design concept.

Unique and Compelling Tools

DoubleCAD XT also has productivity tools not found in AutoCAD LT that can accelerate the drawing experience.
A special line, arc, and circle tools automatically create tangent, parallel, and perpendicular entities without snaps, allowing the user to proceed without resetting their snap modes.
Tools such as multiline, bezier curves, and fixed ratio ellipses extend the types of entities you can create, expediting drawing production.
And modify tools, such as meet-two-lines and convert-to-curve, eliminate the use of cumbersome tools found in other CAD applications.

It's Free!

For non-commercial use only.

Performance, User Interface & Usability:

CUSTOMIZABLE RIBBON INTERFACE

DoubleCAD v6 now supports a Ribbon UI configuration similar to that found in the latest version of AutoCAD LT and , which is fully customizable, including the scaling of tool icons.

Repeat Last Command:

The new Repeat command allows user to repeat the previous command with a single click.

Performance Enhancements:

Experience a significant boost in productivity with redraw speed improvements to Drafting Objects, including the creation of Sectional Views and Objects in the Drafting Palette. GDI draw mode, transformation operations such as Move, Rotate and Scale have been greatly sped up, as well as speed improvements for drawings containing many small objects, redraw speed has been accelerated.

4K Monitor Support:

With new, scaleable vector icons, DoubleCAD is now fully optimized for 4K monitors. Through dynamic sliders, toolbar icons, the User Interface and other icons in other part of the UI can be resized to optimize readability on higher resolution displays.

Keyboard Shortcuts:

This brilliant new feature is set to revolutionize the way people use DoubleCAD! Similar to the functionality found in other products such as Generic CAD or AutoCAD, the user now has the ability to set up keyboard shortcuts that consist of either two or more keystrokes to quickly invoke any DoubleCAD command. These keystrokes are sequential and do not need to be a keyboard combination. The sequence of keys is initially invoked by pressing and releasing the Control (Ctrl) key and then a set of subsequent keys to invoke the specific command. This effectively allows the user to keep the left hand on the keyboard in the right hand on the mouse massively boosting productivity.

New Image Management Palette

Simple drag-and-drop insertion, control of image parameters, and embedding.

Zoom Print Preview:

Previously, it was not possible to zoom in and out using the wheel mouse on the print preview. Now user is able to zoom in in Print Preview windows, prior to printing to be sure things are looking correct Such as line thickness etc.

2D Drafting and Editing:

Constraint Animation:

Dimension values that drive angles, lengths, and distances within a constraint system can now be animated. Animating these values provides powerful visual feedback to range of motion issues common in mechanical design problems. The tool extends into 3D motion analysis when the dimension values are part of a 2D constrained sketch that is used to define 3D extruded, sweep, or lathed shapes. Animating the dimension value automatically updates not only the sketch but the dependent 3D part. The user interface provides a variety of controls to analyze the motion including step increments, range, loop, pause, and move forward or backward.

Best Fit Circle and Line:

The new Best Fit Circle and Line tools allow the user to draw a circle which is best-fitted through 3 or more defined points or a line through 2 or more points. Points can be extracted from a specified location or from a specific object.

Auto-Numbering Feature:

The Auto-numbering tool allows you to select multiple text entities and have them auto-numbered. Numbers are placed either at the end of each text block or can replace the text block.

Select by Similar:

This powerful tool allows users to select any 2D or 3D object type or a Block and then find all occurrences of that in the drawing. Very detailed selections can be made that include parameters such as pen color and style, brush color and style, layer, even the selected object's coordinate system. A great tool to use in conjunction with making further global changes to that selected object.

Construct Similar Tool:

This tool which takes properties from a referenced object and applies these to the construction of the next object. This tool provides a fast and efficient method to assign object properties such as line fonts, dimension styles, and wall properties with a single click.

Remove Overlapping Entities:

The 'Overkill' tool removes overlapping lines, arcs, text and dimensions, thereby allowing you to simplify drawings by removing duplicate, redundant Entities. Event viewer shows the count of objects that were changed.

Pick Point Hatch:

Pick-Point-Hatch now works with gaps in 2D objects. For example, trying to fill an area bounded by a Polyline, when there are gaps in the Polyline. Improvements to pick-point also apply to ADT objects (Walls, Doors and Windows), allowing to similarly fill in gaps between these objects.

PDF Underlay Improvement

The PDF Underlay tool allows you to insert a page of a PDF file into your drawing to use as reference or tracing layer. To use properly as a tracing layer, the file must be a vector PDF, rather than a bit-mapped PDF. AS a vector file, you will be able to snap to the endpoints and midpoints of lines in the PDF underlay. Underlays consist of two parts: the underlay style and the underlay insertion. Before inserting an underlay you must first create an Underlay style, which is done through the Underlay Manager, found in the Tools menu of the Default interface, and in the Format menu of the Ribbon interface A new tool "PDF underlay to Objects" has been implemented. It gives the ability to convert an Underlay into an editable object.
In addition to importing a PDF Underlay as an Object, 2D Vector PDFs can now be directly imported as a vector file into DoubleCAD.

Snap Between Two Points

Snap between two points that once chosen allows you to snap to the middle of two subsequent points, saving the effort of snapping to the center of a two-point construction circle, and then deleting the circle afterwards.

Trim by Entity

This interesting new command allows trimming of multiple entities by using a single 2D close profile as the cutting edge. All objects within the defined profile are trimmed and removed. This allows you to avoid having to select multiple objects to trim to just one cutting edge.

Audit System

A new "Audit" item has been added to the Filters menu of the Selection Info Palette. This Audit System enables you to highlight 'bad' objects in Selection Info palette, turn on/off audit conditions and change their parameters, generate audit report for one or more objects, filter 'bad' objects in Selection Info palette, send notifications (about a 'bad' object) to Event Viewer palette.

Multiline Text Improvements:

UI. Palette is used instead of modeless dialog. Multiline Text in place Editor (similar AutoCAD)

Isolate Hide Objects:

This terrific new feature allows you to take a complex drawing and to quickly reduce its complexity by allowing you to select certain entities and to isolate them independent of layers or groups. In this way you can focus on the entities that you're wishing to edit while avoiding overlapping or otherwise complicated entities. In addition to isolating certain objects you also have the choice of hiding additional objects so that you can focus only on the entities that are important during the editing procedure. When complete you can simply hit the Unhide option and the drawing will return to its previous state.

Interoperability:

AutoCAD® and SketchUp Files:

DoubleCAD now supports Import/Export of the AutoCAD 2020 DWG and DXF file formats, and Import/Export of SketchUp 2020 SKP file format.

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