Free CAD Blocks and Symbols

Blocks and symbols to drop into your own drawings: signs, fixtures, annotation symbols and standard parts. 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 1335 Construction details 572 Blocks & symbols 440 Architecture & BIM 278 MEP & electrical 217 Mechanical 35 Floor plans & site plans 35 Lighting 8 Nature & terrain 7 Electronics & PCB 5 Furniture & interiors 3 Other 34

440 drawings in Blocks & symbols · Clear all

dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
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
dxfOpen the drawing
Double section mark - CAD Block
Original double section mark, 2460 x 620 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 2.5 x 0.6 x 0 m. Nominal size: 2460 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.
24 KBDetails & download
dxfOpen the drawing
Detail callout rectangle - CAD Block
Original detail callout rectangle, 1910 x 1230 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1910 x 1230 x 0 mm. Nominal size: 1910 x 1230 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
dxfOpen the drawing
Detail callout circle - CAD Block
Original detail callout circle, 1810 x 1330 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1810 x 1330 x 0 mm. Nominal size: 1810 x 1330 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
dxfOpen the drawing
Datum level marker - CAD Block
Original datum level marker, 870 x 170 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 870 x 170 x 0 mm. Nominal size: 870 x 170 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
dxfOpen the drawing
Compass north arrow - CAD Block
Original compass north arrow, 1200 x 1450 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 900 x 1300 x 0 mm. Nominal size: 1200 x 1450 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
dxfOpen the drawing
Circular grid bubble - CAD Block
Original circular grid bubble, 1220 x 440 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1220 x 440 x 0 mm. Nominal size: 1220 x 440 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
dxfOpen the drawing
Circle north arrow - CAD Block
Original circle north arrow, 900 x 1300 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 900 x 1300 x 0 mm. Nominal size: 900 x 1300 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
dxfOpen the drawing
Break line - CAD Block
Original break line, 1200 x 240 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 1200 x 240 x 0 mm. Nominal size: 1200 x 240 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.
21 KBDetails & download
dxfOpen the drawing
A4 title block - CAD Block
Original a4 title block, 297 x 210 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 297 x 210 x 0 mm. Nominal size: 297 x 210 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
dxfOpen the drawing
A3 title block - CAD Block
Original a3 title block, 420 x 297 mm graphic envelope. DXF is 1:1 in millimetres with a clean insertion origin; named A3 PDF/SVG proof included. Overall 420 x 297 x 0 mm. Nominal size: 420 x 297 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

Looking for 3D parts and models? Browse the 3D Parts Library (3582).

Request a Drawing

If the library doesn’t have what you need, tell us. Requests decide what we add next. Leave an email and we’ll send you one message when it’s added.

Share Your Drawings

Have blocks, details or plans worth reusing? Upload DWG, DXF or PDF files, or a zip of them, and describe each one. Everything is reviewed before it appears, released under CC0, and kept for 1 to 5 years depending on file size. You can also add a single file from the viewer’s Share dialog. See the library terms.

Contribute drawings

Parts here are contributed by their authors or come from public-domain collections. If you believe a file infringes your rights, use Report on its viewer page or see our copyright policy.