Free CAD Drawings with Organized Layers

Drawings organized on named layers, so you can switch off what you do not need and reuse the rest. Every file here is public domain: open it in your browser, then download it and use it for anything.

1335 drawings · DWG, DXF, PDF, SVG, DWF and more · public domain

All 437 Blocks & symbols 330 MEP & electrical 89 Construction details 18

437 drawings with Organized layers · Clear all

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Title block templates A3 sheet - CAD Collection
A3 sheet with 7 individually named original CAD blocks and real sizes; DXF retains each block's 1:1 millimetre geometry. Print PDF or SVG at 1:20. Overall 8 x 5.5 x 0 m. Nominal size: A3. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
44 KBDetails & download
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Tabloid title block - CAD Block
Original tabloid title block, 432 x 279 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 432 x 279 x 0 mm. Nominal size: 431.8 x 279.4 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
26 KBDetails & download
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Spot level marker - CAD Block
Original spot level marker, 870 x 340 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 870 x 340 x 0 mm. Nominal size: 870 x 340 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Single section mark - CAD Block
Original single section mark, 2030 x 620 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 2 x 0.6 x 0 m. Nominal size: 2030 x 620 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Simple north arrow - CAD Block
Original simple north arrow, 300 x 1350 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 300 x 1350 x 0 mm. Nominal size: 300 x 1350 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Revision triangle - CAD Block
Original revision triangle, 400 x 346 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 400 x 346 x 0 mm. Nominal size: 400 x 346 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Rectangular revision cloud - CAD Block
Original rectangular revision cloud, 1100 x 700 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1100 x 700 x 0 mm. Nominal size: 1100 x 700 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
26 KBDetails & download
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Orientation scale annotation A3 sheet - CAD Collection
A3 legend with 28 annotation blocks, individual display scales and real sizes. The DXF collection keeps full-size millimetre geometry; PDF/SVG use the labelled scale for each item. Overall 300 x 207.8 x 0 m. Nominal size: A3. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
88 KBDetails & download
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Open north arrow - CAD Block
Original open north arrow, 480 x 1250 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 480 x 1250 x 0 mm. Nominal size: 480 x 1250 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Offset section mark - CAD Block
Original offset section mark, 2030 x 620 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 2 x 0.6 x 0 m. Nominal size: 2030 x 620 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
23 KBDetails & download
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Minimal north arrow - CAD Block
Original minimal north arrow, 300 x 1350 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 300 x 1350 x 0 mm. Nominal size: 300 x 1350 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Metric 5m scale bar - CAD Block
Original metric 5m scale bar, 5244 x 525 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 5.2 x 0.5 x 0 m. Nominal size: 5243.6 x 525 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Metric 1m scale bar - CAD Block
Original metric 1m scale bar, 1049 x 105 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1049 x 105 x 0 mm. Nominal size: 1048.72 x 105 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Metric 10m scale bar - CAD Block
Original metric 10m scale bar, 10609 x 1050 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 10.6 x 1.1 x 0 m. Nominal size: 10609 x 1050 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Letter title block - CAD Block
Original letter title block, 279 x 216 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 279 x 216 x 0 mm. Nominal size: 279.4 x 215.9 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
26 KBDetails & download
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Interior elevation mark - CAD Block
Original interior elevation mark, 620 x 460 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 620 x 460 x 0 mm. Nominal size: 620 x 460 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Imperial 4ft scale bar - CAD Block
Original imperial 4ft scale bar, 1293 x 128 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1293 x 128 x 0 mm. Nominal size: 1293.45 x 128.016 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Imperial 16ft scale bar - CAD Block
Original imperial 16ft scale bar, 5233 x 512 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 5.2 x 0.5 x 0 m. Nominal size: 5233.2 x 512.064 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Imperial 100ft scale bar - CAD Block
Original imperial 100ft scale bar, 33079 x 3200 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 33.1 x 3.2 x 0 m. Nominal size: 33078.7 x 3200.4 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Hexagonal grid bubble - CAD Block
Original hexagonal grid bubble, 1220 x 381 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1220 x 381 x 0 mm. Nominal size: 1220 x 381.051 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Freeform revision cloud - CAD Block
Original freeform revision cloud, 1261 x 793 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1261 x 793 x 0 mm. Nominal size: 1261.01 x 793.443 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
29 KBDetails & download
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Four direction elevation mark - CAD Block
Original four direction elevation mark, 880 x 880 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 880 x 880 x 0 mm. Nominal size: 880 x 880 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
24 KBDetails & download
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Filled north arrow - CAD Block
Original filled north arrow, 480 x 1250 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 480 x 1250 x 0 mm. Nominal size: 480 x 1250 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download
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Exterior elevation mark - CAD Block
Original exterior elevation mark, 1190 x 460 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1190 x 460 x 0 mm. Nominal size: 1190 x 460 mm. DXF drawing at 1:1 in millimeters with named layers; opens in AutoCAD, LibreCAD, Revit and the viewer. Export to DWG, PDF, SVG and other formats from the viewer. Drawn at nominal real-world dimensions for layout and documentation; verify against local codes and the actual product before construction. Original Innerscene model, released CC0.
22 KBDetails & download

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