Free Mechanical CAD Drawings

Mechanical details: piping, pumps, equipment mounting and fully toleranced machined parts. Every file here is public domain: open it in your browser, then download it and use it for anything.

1814 drawings · DWG, DXF, PDF, SVG, DWF and more · public domain

48 drawings in Mechanical · Clear all

dftOpen the drawing
Round flange with kidney slots, cncKad drawing (.dft)
A Metalix cncKad sheet metal drawing (.dft): a round flange with kidney-shaped slots. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
2 KBDetails & download
dftOpen the drawing
Mounting plate with keyed hole, cncKad drawing (.dft)
A Metalix cncKad sheet metal drawing (.dft): a mounting plate with a keyed hole. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
2 KBDetails & download
cdrOpen the drawing
Laser-cut mounting plate, CorelDRAW drawing (.cdr)
A CorelDRAW drawing (.cdr) for a laser cutter: a mounting plate drawn in hairlines. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
3 KBDetails & download
cmxOpen the drawing
Old farm tractor
A blue vintage farm tractor with red wheel hubs, large rear tyres, an exposed engine and an exhaust stack. Corel Presentation Exchange (CMX) drawing.
97 KB · by cyberscootyDetails & download
dftOpen the drawing
Junction box knockout cover
A 120 mm round cover with three concentric knockout rings held by tabs and four screw holes.
2 KBDetails & download
dftOpen the drawing
Stepper motor mount plate
A 100 x 90 mm plate for a NEMA 23 stepper motor: pilot bore, four slotted motor holes and two slotted base fixings.
4 KBDetails & download
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120 mm fan grille plate
A 140 mm square plate for a 120 mm fan: four mounting holes and four rings of curved slots cut as arcs.
12 KBDetails & download
dftOpen the drawing
Nameplate blank with window
A 140 x 60 mm nameplate with rounded corners, an inner rectangular window and two screw holes.
2 KBDetails & download
dftOpen the drawing
Triangular gusset plate
A 150 mm corner gusset with clipped tips, three lightening holes and a row of bolt holes along each leg.
1 KBDetails & download
dftOpen the drawing
Perforated vent panel
A 220 x 140 mm panel with rounded corners, four fixing holes and a staggered field of 7 mm round perforations.
20 KBDetails & download
dftOpen the drawing
Angle bracket blank with slots
Flat blank for a 120 mm wide angle bracket with two adjustment slots, three mounting holes and a relief window on the bend line.
3 KBDetails & download
dftOpen the drawing
Electronics enclosure flat pattern
Sheet-metal blank for a 160 x 100 x 40 mm box: base with vent slots and four walls with connector, switch, power-inlet and fan cutouts, with corner bend reliefs.
9 KBDetails & download
svgOpen the drawing
Early steam locomotive
A colour drawing of an early 19th century steam locomotive with a tall chimney and large spoked wheels.
32 KB · by sgbeerDetails & download
wmfOpen the drawing
Spur gear pair (WMF)
Spur gear pair (WMF): a Windows Metafile (EMF, WMF) (.wmf) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
3 KBDetails & download
emfOpen the drawing
Spur gear pair (EMF)
Spur gear pair (EMF): a Windows Metafile (EMF, WMF) (.emf) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
7 KBDetails & download
epsOpen the drawing
Spur gear pair
Spur gear pair: a EPS / PostScript (.eps) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
6 KBDetails & download
aiOpen the drawing
Spur gear pair (PDF-based AI)
Spur gear pair (PDF-based AI): a Adobe Illustrator (.ai) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
3 KBDetails & download
aiOpen the drawing
Spur gear pair (Illustrator 8)
Spur gear pair (Illustrator 8): a Adobe Illustrator (.ai) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
6 KBDetails & download
svgOpen the drawing
Spur gear pair
Spur gear pair: a SVG (Scalable Vector) (.svg) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
6 KBDetails & download
dxfOpen the drawing
Hub flange drawing (dimensioned)
Hub flange drawing (dimensioned): a AutoCAD DXF (.dxf) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
60 KBDetails & download
dwgOpen the drawing
Hub flange drawing
Hub flange drawing: a AutoCAD Drawing (.dwg) sample file from the Innerscene 3D Viewer's Samples menu. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
27 KBDetails & download
dwgOpen the drawing
Prospect Tree Cooler Refrigeration Details (USFS M0000500)
Prospect Tree Cooler Refrigeration Details. Standard drawing M0000500 from the USDA Forest Service Engineering AutoCAD Drawing Library, Mechanical section (1987, R6). A US federal government work, in the public domain in the US. Forest Service drawings were developed as guidance for its own projects and may not meet current standards: check dimensions, codes and site conditions before use.
150 KBDetails & download
dwgOpen the drawing
Prospect Cooler Details (USFS M0000401)
Prospect Cooler Details. Standard drawing M0000401 from the USDA Forest Service Engineering AutoCAD Drawing Library, Mechanical section (1987, R6). A US federal government work, in the public domain in the US. Forest Service drawings were developed as guidance for its own projects and may not meet current standards: check dimensions, codes and site conditions before use.
105 KBDetails & download
dwgOpen the drawing
Misc. Duct & Pipe Details (USFS M0001001)
Misc. Duct & Pipe Details. Standard drawing M0001001 from the USDA Forest Service Engineering AutoCAD Drawing Library, Mechanical section (1987, R6). A US federal government work, in the public domain in the US. Forest Service drawings were developed as guidance for its own projects and may not meet current standards: check dimensions, codes and site conditions before use.
77 KBDetails & download

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