Convert DXF, DWF, IFC and STEP to DWG for AutoCAD (Free, Online)
Convert DXF, DWF, IFC and STEP files to DWG for AutoCAD for free, right in your browser, with nothing to install.
When you swap files with consultants, the file you get is often not the one AutoCAD wants. This tutorial converts four of them to DWG. First a DXF floor plan, like one saved from an older CAD program: the DWG keeps its layers, colours and millimetre units, and it is an AutoCAD 2000 file, so every AutoCAD since then opens it. Then a DWF plot set with four sheets: pick the lighting plan with the sheet arrows and save that sheet as a DWG with its layers. The sheet records its drawing scale, 1:50, so the DWG comes out at true size: in the DWG viewer, grid line A to grid line E measures 24 m. A sheet that records no scale comes out at paper size, in millimetres, and the converter page says so. Then an IFC model from a BIM team, a medical clinic: Download DWG writes a floor plan for each storey, cut 1.2 m above the floor, and we check the plans and their storey layers in our free DWG viewer. Then a STEP model of a chandelier from our free parts library: Download DWG gives the 3D model at real size with each part on its own layer, in its own colour, so in the DWG viewer (Tools, then Layers) you can hide and show parts, and the DWG three-view drawing sheet gives a top, front, side and 3D view at 1:1 in millimetres, ready to copy into plans and elevations. Last, DWG to DXF, for someone whose program reads DXF but not DWG. Your files are read and converted in your browser and never uploaded. No sign-up.
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Transcript
Intro
Here is how to convert DXF, DWF, IFC and STEP files to DWG for AutoCAD, and DWG to DXF, for free, in your web browser.
DXF to DWG
First, a DXF, like a plan a consultant saved from an older CAD program. Go to innerscene.com/tools/dxf-to-dwg. There is no sign-up, and the file is converted on your computer. It is never uploaded. Click Open a DXF File. Here is the plan, with walls, doors, windows, furniture, lights and dimensions. Click Download DWG. The DWG keeps the layers, the colours and the millimetre units. It is an AutoCAD 2000 file, so every AutoCAD since then opens it.
DWF to DWG
Next, a DWF, the plot format many teams use to send a drawing set for review. Go to innerscene.com/tools/dwf-to-dwg and open it. This set has four sheets. Use the arrows to pick one, here the lighting plan. Download DWG saves that sheet, with its layers: walls, ceiling grid, lights, text and the title block. This sheet records its drawing scale, 1:50, so the DWG comes out at true size.
Measure the DWF sheet at true size
To check, open the DWG in the DWG viewer, at innerscene.com/tools/dwg-viewer. Open Tools, choose Add measurement, and click grid line A, then grid line E. It reads 24 metres, the real width of the building, so the plan measures full size in AutoCAD. A sheet that records no scale comes out at paper size, in millimetres, and the converter page says so.
IFC to DWG floor plans
From the BIM team you may get an IFC model. Go to innerscene.com/tools/ifc-to-dwg and open it. This one is a medical clinic. For a building, Download DWG writes the floor plans: one plan for each storey, cut 1.2 m above the floor.
Check the plans in the DWG viewer
Open the DWG in our free DWG viewer, at innerscene.com/tools/dwg-viewer. Here are the plans side by side, each with its level name and height. Zoom in, and the walls, doors and windows are all there. Tools, then Layers: each storey has its own layers, like L2 Walls and L2 Doors, so you can turn them on and off in AutoCAD.
STEP to DWG
A STEP file is a 3D model of a part or a product, like this chandelier from our free parts library. Go to innerscene.com/tools/step-to-dwg and open it. Download DWG gives the 3D model at real size, in millimetres, with each part on its own layer. For a drawing, open Export and choose DWG three-view drawing sheet.
Each part on its own layer
Open the 3D DWG in the DWG viewer. Each part of the chandelier is its own layer, in its own colour: brass arms and a navy globe on each one. Open Tools, then Layers. There is a layer for every part, named as in the STEP file. Untick a part, like the suspension stem, and it is hidden. Tick it again to bring it back.
The fixture as a drawing
Open the three-view sheet in the DWG viewer. It has a top view, a front view, a side view and a 3D view. It is drawn at 1:1 in millimetres, ready to copy into your plans and elevations.
DWG to DXF
And the other way round: if someone needs a DXF, go to innerscene.com/tools/dwg-to-dxf. Open the DWG and click Download DXF. The DXF keeps the layers and units, and it opens in programs that read DXF but not DWG.
Apps for Windows, Mac, iPhone and Android
There are free apps too. On Windows, a small helper lets you double-click a DWG file in File Explorer to open it in this viewer. There is a Mac version, an app for iPhone and iPad on the App Store, and one for Android phones and tablets on Google Play.
Summary
Those are the free DWG converters at innerscene.com. Links to each one are in the description.
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