Free CAD Solid Models
Exact solid geometry (STEP and similar), ready to open in any CAD system, measure, section and modify. Every file here is public domain: open it in your browser, then download it and use it for anything.
10381 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain
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sabRotate in 3D
Tapered cup, ACIS binary solid (.sab)An ACIS binary (.sab) solid model: a tapered cup made from a cone face and planes. Source: Authored by Innerscene (public/samples/SOURCES.md). License: Innerscene.
fcstdRotate in 3D
Hydraulic cylinderA tie-rod hydraulic cylinder: barrel, cap end with clevis, head end, tie rods, piston, chromed rod and rod eye.
48 KBDetails & downloadfcstdRotate in 3D
Hand winchA geared hand winch: side plates and base, cable drum with wound cable, spur gear and pinion, and a crank with a red handle.
185 KBDetails & downloadfcstdRotate in 3D
Ball valve, cutawayA threaded brass ball valve with the body cut away to show the bored ball, stem, lever and red grip.
26 KBDetails & downloadfcstdRotate in 3D
Jaw shaft couplingA flexible jaw coupling: two aluminium hubs with three jaws each, an orange elastomer spider and the two shafts it joins.
26 KBDetails & downloadfcstdRotate in 3D
Motor and V-belt driveAn electric motor driving a jack shaft through two V-belts, with drive and driven pulleys and two pillow blocks on a base plate.
33 KBDetails & downloadfcstdRotate in 3D
Butt hingeA brass butt hinge with two leaves, five knuckles, countersunk screw holes and a capped pin.
11 KBDetails & downloadfcstdRotate in 3D
Swivel caster wheelA swivel caster: mounting plate, swivel race, fork, rubber tyre on a red hub and the axle bolt.
13 KBDetails & downloadfcstdRotate in 3D
Bench viseA machinist bench vise with base, fixed body, sliding jaw, serrated jaw plates, lead screw and handle.
37 KBDetails & downloadfcstdRotate in 3D
Planetary gear setA planetary gear set: sun gear with input shaft, three planet gears, an internal ring gear and the planet carrier with output shaft, each a coloured part.
197 KBDetails & downloadsatRotate in 3D
Display stand (three bodies)A small display stand of three coloured ACIS bodies: a slate base, a 16-sided column and an amber top.
51 KBDetails & downloadsatRotate in 3D
Five-spoke wheel rimA car wheel rim with a drop-centre barrel, five spoke windows, a centre bore and five lug holes.
39 KBDetails & downloadsatRotate in 3D
Flask bottle with capA thin-walled flat flask bottle with filleted edges and a neck, and a ribbed screw cap.
176 KBDetails & downloadsatM20Rotate in 3D
Hex bolt M20 with nut and washerAn M20 x 90 hex bolt with chamfered head and thread grooves, a flat washer and a chamfered hex nut, as three bodies.
95 KBDetails & downloadsatRotate in 3D
Gearbox housingA cast gearbox housing with a bolted top flange, two pairs of bearing bores, ribs, mounting feet and a drain plug boss.
169 KBDetails & downloadsatRotate in 3D
Two-throw crankshaftA crankshaft with two crank pins at 180 degrees, counterweighted webs, main journals, a keyed nose and a bolted flywheel flange.
67 KBDetails & downloadsatRotate in 3D
NIST test part FTC 10 (SAT)NIST fully toleranced test case 10: a small machined frame with a rectangular window, slots and end lugs. Geometry from the NIST AP203 STEP file, written as an ACIS SAT solid.
239 KB · by NIST MBE PMI geometry, written to this format by InnersceneDetails & downloadsatRotate in 3D
NIST test part FTC 09 (SAT)NIST fully toleranced test case 09: a thin profiled plate with cut-outs and holes. Geometry from the NIST AP203 STEP file, written as an ACIS SAT solid.
191 KB · by NIST MBE PMI geometry, written to this format by InnersceneDetails & downloadsatRotate in 3D
NIST test part FTC 08 (SAT)NIST fully toleranced test case 08: a machined tray with a raised rim, pockets and cut-outs. Geometry from the NIST AP203 STEP file, written as an ACIS SAT solid.
329 KB · by NIST MBE PMI geometry, written to this format by InnersceneDetails & downloadsatRotate in 3D
NIST test part FTC 07 (SAT)NIST fully toleranced test case 07: a thin-walled open box frame with stiffening ribs and hole patterns. Geometry from the NIST AP203 STEP file, written as an ACIS SAT solid.
329 KB · by NIST MBE PMI geometry, written to this format by InnersceneDetails & downloadsatRotate in 3D
NIST test part FTC 06 (SAT)NIST fully toleranced test case 06: a machined block with a V-groove, locating pins, bosses and drilled holes. Geometry from the NIST AP203 STEP file, written as an ACIS SAT solid.
151 KB · by NIST MBE PMI geometry, written to this format by InnersceneDetails & downloadigsRotate in 3D
Three-blade propellerA three-blade propeller with twisted, lofted airfoil blades on a bored hub, and a separate spinner.
593 KBDetails & downloadigsRotate in 3D
Engine connecting rodA connecting rod with an I-section shank, big-end bolt bosses, an oil hole in the small end and two cap bolts.
216 KBDetails & downloadigsRotate in 3D
Flanged pipe tee DN100An equal pipe tee with three raised-face flanges, each with eight bolt holes, bored through.
239 KBDetails & download
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