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.
All Designs (10,000+ results)2D technical drawing library
C-47 Pressure Regulating Valve Assembly for DC-3 Aircraft
Aviation
C-47
Pressure Regulating Valve
.STEP
<100
<100
700 Size Helicopter Rotor Blade CAD Model
Aviation
700 Size
Helicopter Rotor Blade
.STEP
<100
<100
Jet Turbine Propeller Fan CAD Model
Aerospace
Jet Turbine
Propeller Fan
.STEP
<100
<100
Compact Lightweight Cutter Assembly for Work Table Integration
Machine design
Compact Cutter Assembly
Makerslide Extrusion
.STEP
<100
<100
Concorde Aircraft 3D Model
Aerospace
Concorde
Supersonic
.STEP
<100
<100
Lipo Battery Holder for UAV Applications
Aerospace
Lipo Battery Holder
Uav
.STEP
<100
<100
Browse CAD models by file format
Children's Assembly Toy Model for Educational Play
Assembly Toy
Educational Model
.STEP
<100
<100
Small Jet Aircraft Concept with Chevron Design
Aviation
Small Jet Aircraft
Chevron Design
.STEP
<100
<100
Prony Brake Dynamometer for Engine Performance Testing
Machine design
Prony Brake Dynamometer
Engine Performance Testing
.STEP
<100
<100
Keystone Electronics 18650 Dual Battery Holder with Solder Tabs
Electrical
18650 Battery Holder
Dual Battery Holder
.STEP
<100
<100
Keystone Electronics 18650 Dual Battery Holder SMT Model
Electrical
18650 Battery Holder
Dual Battery Holder
.STEP
<100
<100
Keystone Electronics 18650 Dual Battery Holder PTH Model
Electrical
18650 Battery Holder
Dual Battery Holder
.STEP
<100
<100
Small Rotor Head CAD Model for Educational Use
Aviation
Rotor Head
Rotorcraft Design
.STEP
<100
<100
Keystone Electronics 18650 Single Battery Holder with Solder Tabs
Electrical
18650 Battery Holder
Solder Tabs
.STEP
<100
<100
Keystone Electronics 18650 Single Battery Holder SMT Model
Electrical
18650 Battery Holder
Smt
.STEP
<100
<100
Keystone Electronics 18650 Single Battery Holder PTH Model
Electrical
18650 Battery Holder
Plated Thru-Hole
.STEP
<100
<100
GNSS Module Supporting GPS, BeiDou, and GLONASS Systems
Robotics
Gnss Module
Gps
.STEP
<100
<100
Protective Case for Drone Designed for 3D Printing
Aerospace
Protective Case
Drone
.STEP
<100
<100
3D CAD Model of Mechanical Component
Machine design
Mechanical Component
3D Cad Model
.STEP
<100
<100
2020 V-Slot Aluminum Extrusion Profile 200mm for Structural Applications
Machine design
2020 V-Slot
Aluminum Extrusion
.STEP
<100
<100
2040 V-Slot Aluminum Extrusion Profile 200mm
Machine design
2040 V-Slot
Aluminum Extrusion
.STEP
<100
<100
3D Model Created from Scanned Data
3D Printing
Scanned Data
3D Model
.STEP
<100
<100
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