Engineering CAD Design Library

Browse quality-checked 3D CAD models for engineering, product design, prototyping and manufacturing. Preview models online and download files in STEP, STP, IGES, STL, OBJ, PLY, DWG, DXF and more.

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Free
Circular Flange Mount / Adapter for NEMA 17 motor
MACHINE DESIGN · STEPPER MOTOR

Circular Flange Mount / Adapter for NEMA 17 motor

.STL
$10
Tractor Loader MegaLoader Pro 500 (like JCB style)
ARCHITECTURE · 1/2 DRIVE

Tractor Loader MegaLoader Pro 500 (like JCB style)

.STL
Free
KP08 8mm Pillow Block 8mm Bearing holder
MACHINE DESIGN · CAD

KP08 8mm Pillow Block 8mm Bearing holder

.STL
$7
Muscle Car Concept – Red Rims & Grey Body stl
AUTOMOTIVE · SOLIDWORKS

Muscle Car Concept – Red Rims & Grey Body stl

.STL
$6
6x6 Off-Road Expedition Camper Truck-stl
AUTOMOTIVE · SOLIDWORKS

6x6 Off-Road Expedition Camper Truck-stl

.STL
$100
LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS
AUTOMOTIVE · DESIGN

LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS

.STL
$30
Outdoor Indutrial CAM | Special Purpose cameras
INDUSTRIAL DESIGN · DESIGN

Outdoor Indutrial CAM | Special Purpose cameras

.STP
$5
High-Strength Ergonomic Go-Kart Steering Wheel
AUTOMOTIVE · SOLIDWORKS

High-Strength Ergonomic Go-Kart Steering Wheel

.STP
Free
High-Performance Front Steering Knuckle and Spindle Assembly
AUTOMOTIVE · CAD

High-Performance Front Steering Knuckle and Spindle Assembly

.STP
$5
Screenshot 2026-01-17 145653.png
MACHINE DESIGN · CAD

crowd barrier drawing with 3d Cad file

.DWG.PNG
$15
Screenshot 2026-01-17 145823.png
ARCHITECTURE · CAD FOR FURNITURE

3D AutoCAD Chair Model With All Details.

.DWG.PNG
$5
Screenshot 2026-01-17 150008.png
ARCHITECTURE · CAD

The railing model will include precise dimensions, proper alignment, and realistic detailing as per

.DWG.PNG
$32
BRAKE CALIPER
AUTOMOTIVE

BRAKE CALIPER

.STL
$22
HELICAL GEAR
AUTOMOTIVE

HELICAL GEAR

.STL
$32
CRANKSHAFT
AUTOMOTIVE

CRANKSHAFT

.STL
$16
WHEEL ROTOR HUB ASSEMBLY
AUTOMOTIVE

WHEEL ROTOR HUB ASSEMBLY

.STL
$32
CLUTCH PLATE
AUTOMOTIVE

CLUTCH PLATE

.STL
$16
SPORTS CAR BRAKE CALIPER
AUTOMOTIVE

SPORTS CAR BRAKE CALIPER

.STL
$32
COIL SPRING
AUTOMOTIVE

COIL SPRING

.STL
$22
PISTON
AUTOMOTIVE

PISTON

.STL
$22
DIFFRENTIAL CROWN GEAR
AUTOMOTIVE

DIFFRENTIAL CROWN GEAR

.STL
$22
INTERNAL GEAR
AUTOMOTIVE

INTERNAL GEAR

.STL