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.

10,000+ models2D drawings
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Mini DC/DC Step-Up Voltage Module 5V to 12V Compact Size
ELECTRICAL · DC-DC CONVERTER

Mini DC/DC Step-Up Voltage Module 5V to 12V Compact Size

.STEP
Free
CNC Threading Boring Bar for Precision Machining
MACHINE DESIGN · CNC

CNC Threading Boring Bar for Precision Machining

.STEP
Free
Connecting Rod for Automotive Engine Applications
AUTOMOTIVE · CONNECTING ROD

Connecting Rod for Automotive Engine Applications

.STEP
Free
Spacer Intermediate Plate for 2.0 TDI Engine
AUTOMOTIVE · SPACER INTERMEDIATE PLATE

Spacer Intermediate Plate for 2.0 TDI Engine

.STEP

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Car Engine Piston Head CAD Model
AUTOMOTIVE · PISTON HEAD

Car Engine Piston Head CAD Model

.STEP
Free
Universal Drive Shaft Coupler for Mechanical Systems
MACHINE DESIGN · UNIVERSAL DRIVE SHAFT COUPLER

Universal Drive Shaft Coupler for Mechanical Systems

.STEP
Free
Detailed 3D Model of Formula E Gen 3 Race Car
AUTOMOTIVE · FORMULA E GEN 3

Detailed 3D Model of Formula E Gen 3 Race Car

.STEP
Free
TP 50 Torx Socket with 3/8 Inch Drive for Ford F-150 Bolts
AUTOMOTIVE · TP 50 TORX SOCKET

TP 50 Torx Socket with 3/8 Inch Drive for Ford F-150 Bolts

.STEP
Free
6-Cylinder Engine Assembly Model
AUTOMOTIVE · 6-CYLINDER ENGINE

6-Cylinder Engine Assembly Model

.STEP
Free
Carbon Fiber Car Wheel Design for Automotive Applications
AUTOMOTIVE · CARBON FIBER

Carbon Fiber Car Wheel Design for Automotive Applications

.STEP
Free
High-Performance Car Engineering Overview
AUTOMOTIVE · HIGH-PERFORMANCE CAR

High-Performance Car Engineering Overview

.STEP
Free
M12-1.75 x 120mm Flanged Button Head Bed Bolt for Ford F-150
AUTOMOTIVE · M12-1.75X120MM

M12-1.75 x 120mm Flanged Button Head Bed Bolt for Ford F-150

.STEP
Free
Detailed 3D Model of a 4-Cylinder Inline Engine
AUTOMOTIVE · 4 CYLINDER ENGINE

Detailed 3D Model of a 4-Cylinder Inline Engine

.STEP
Free
LED Headlight Mounting Assembly for Twizy
AUTOMOTIVE · LED HEADLIGHT MOUNTING

LED Headlight Mounting Assembly for Twizy

.STEP
Free
Connecting Rod Mechanical Component CAD Model
MACHINE DESIGN · CONNECTING ROD

Connecting Rod Mechanical Component CAD Model

.STEP
Free
Intricate Car Wheel Design for Automotive Applications
AUTOMOTIVE · CAR WHEEL

Intricate Car Wheel Design for Automotive Applications

.STEP
Free
Rail Profiles Compliant with AS1085.1-2002 Standards
CONSTRUCTION · RAIL PROFILES

Rail Profiles Compliant with AS1085.1-2002 Standards

.STEP
Free
115RE R8 and 136RE TR68 Industrial Components
MACHINE DESIGN · 115RE R8

115RE R8 and 136RE TR68 Industrial Components

.STEP
Free
Traditional V8 Engine Prototype Model
AUTOMOTIVE · V8 ENGINE

Traditional V8 Engine Prototype Model

.STEP
Free
Steam Prototype Design Using NX CAD Software
INDUSTRIAL DESIGN · STEAM PROTOTYPE

Steam Prototype Design Using NX CAD Software

.STEP
Free
Car Hood Outer Panel Designed with CATIA
AUTOMOTIVE · CAR HOOD OUTER PANEL

Car Hood Outer Panel Designed with CATIA

.STEP
Free
Professional Bicycle Frame CAD Model
AUTOMOTIVE · BICYCLE FRAME

Professional Bicycle Frame CAD Model

.STEP