To create an exterior only, use the Push/Pull tool ( ) to create a volume in the shape of the building.With the Eraser tool ( ), delete any interior rectangle lines, so you have one face in the shape of the building's outline.With the Rectangle tool ( ), draw rectangles to fill the outline of the building.In the following video, you see one workflow for creating a floor plan from an imported CAD drawing. Tip: Although you can also toggle layer visibility with the Layers manager, creating scenes enables you to toggle the views with tabs at the top and close the Layers manager so it's out of the way. Delete extra layers and place the CAD group on a new layer.For example, you want the right angles in a floor plan to line up with the red and green axes, so that the SketchUp inference engine makes drawing over your floor plan easy. Line up the floor plan with SketchUp's drawing axes using the Rotate tool ( ) or the Axes tool ( ).(Earlier versions of SketchUp require you to select the imported geometry and create a group manually.) If not, beginning with SketchUp 2018, the geometry is imported as a component. Selecting Geometry offers tips on making selections, and Grouping Geometry explains how SketchUp groups work. If not, you need to select all the CAD geometry and turn it into a group. If your SketchUp model contained any geometry before the import, the imported CAD geometry is grouped automatically. Make sure the CAD geometry is a single group.If the size is incorrect, the Tape Measure tool also enables you to scale the entire model so that the dimensions are correct. Choose an entity with a measurement you know and check its size with the Tape Measure tool ( ).
Check the size of the imported CAD geometry.
Here's a recommended workflow for getting an imported CAD file ready for modeling in SketchUp: For details about installing extensions, see Adding Extensions to SketchUp This extension can clean up terrain and CAD files for you by simplifying curves and closing gaps. If you need to use your CAD geometry, however, check out the Edge Tools 2 extension by user ThomThom. If you've imported a floor plan, for example, drawing over a floor plan to create a new model is easier than hunting and pecking to find and fix all those gaps.
CONVERTING CAD FILE TO SKETCHUP ONLINE FULL
Also, imported CAD geometry is likely full of gaps that need to be closed to create faces. When in doubt, re-creating the model with SketchUp's native drawing tools typically produces better and more consistent results than trying to manipulate the imported CAD geometry. Tip: Why use the CAD file as a reference? The main reason is because CAD geometry is often way too complicated to create a useful SketchUp model. Whether you've never worked with a CAD file imported into SketchUp before or have lots of experience importing CAD files, the tips and examples in the following sections can help you quickly start modeling with your file in SketchUp. Hunting down all these little gaps can be tedious - unless you know a few tricks explained in this article.
The lines in an imported CAD file often don't connect to form SketchUp faces.(See Importing and Exporting CAD Files for details about matching the units.) This is especially true if you weren't sure what unit of measurement was used to create the CAD file. The size or scale may not import correctly.Here are the known issues that you may find after you import a CAD file into SketchUp: Importing and exporting common CAD file formats has always been part of SketchUp's DNA, but CAD files imported into SketchUp do have a few known quirks that you can sidestep if you know the tips explained in this article. Like many SketchUp users, you may want to use your CAD files to create excellent, useful, and lightweight SketchUp models.
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