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3D, walkthroughs and elevations › Make a photoreal render
E · 3D, walkthroughs and elevations

Make a photoreal render

Updated 4 min readWorks without an account

Click Render on the 3D bar and FloorGen makes a photoreal picture of the view on screen, with light bouncing between the surfaces. Your own computer draws it in your browser, in a few minutes, and you save it as a PNG.

Make a render

  1. Step 1: Frame the view

    Open the 3D view and turn to the angle you want. The picture is the view as it is on screen: its camera, its Lighting and the sun, and whether the roof is shown.

  2. Step 2: Open Render

    Click Render on the 3D bar. A dialog opens with a small picture of what the camera sees now, so you can judge the angle before the minutes of work. Close it, turn the view and open it again to reframe.

  3. Step 3: Pick quality and size

    Under Quality, Draft is the quickest, Standard is the default and Fine takes longest and has the least grain. Under Size (px), pick 1200 × 750, 1600 × 1000 or 2400 × 1500. A bigger size and a finer quality both take longer.

  4. Step 4: Start it

    Click Render. The picture builds up on screen and a bar reads, for example, “64 of 256 samples”. On computers that support it, a last step reads Removing grain… and cleans up the picture.

  5. Step 5: Stop whenever you like

    Click Stop and the picture so far is kept; it is grainier, not broken. Closing the dialog stops the render too.

  6. Step 6: Save the picture

    When the line under the picture reads “Done”, click Download PNG. Render again starts over with the current view and settings.

The last picture is kept while the project is open, so you can close the dialog, change the view and come back to download it. A picture of another project is never offered.

What it needs

  • A free account. As a guest, Render asks you to sign in and opens the Render dialog once you are in. The Free plan includes it.
  • A computer with WebGL 2 and a graphics card that can draw to float textures. If the dialog says Rendering needs WebGL 2, or that the graphics card cannot render in the browser, try another browser or computer. WebGPU, where the browser has it, makes the render faster.
  • Memory. On a phone, a tablet or a computer with 4 GB or less the largest size is not offered, and a device with 2 GB or less cannot render, so use a computer.
  • The same export rules as the 3D image: saving the PNG needs the access that export needs, and a plan with an export watermark gets it on the picture. The file carries a note that FloorGen made it.

Limits

  • It draws what the 3D view shows. Change the light with Lighting and the sun in the 3D bar, not in the dialog.
  • A very large plan is too big to trace whole, so some parts are left out of the picture and the dialog says so.
  • Stay in the 3D view while it works; leaving it ends the render.
  • A failed render says so; try a smaller size.

Questions

How is Render different from exporting a 3D image?

A 3D image is the live view saved as it is, in seconds. Render traces the light, so shadows, reflections and soft light look like a photo, and it takes minutes. See Export a 3D image.

How long does it take?

A few minutes at the default settings; Draft at the smallest size is quickest and Fine at the largest takes longest. The time depends on your graphics card.

Does it cost AI credits?

No. The picture is made on your own computer, not by FloorGen AI.