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
Sort by:
Free
Sensor Module Debug 1 | 3D CAD Engineering Model
ROBOTICS · SENSOR MODULE DEBUG 1

Sensor Module Debug 1 | 3D CAD Engineering Model

.STEP
Free
J Link Adapter 1 | 3D CAD Engineering Model
MACHINE DESIGN · J LINK ADAPTER 1

J Link Adapter 1 | 3D CAD Engineering Model

.STEP
Free
Curve Conveyor 1 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · CURVE CONVEYOR 1

Curve Conveyor 1 | 3D CAD Engineering Model

.STEP
Free
Force Torque Digital Indicator 1 | 3D CAD Engineering Model
MACHINE DESIGN · FORCE TORQUE DIGITAL INDICATOR 1

Force Torque Digital Indicator 1 | 3D CAD Engineering Model

.STEP

Need a CAD file that is not in the library?

Share your requirement and Marathon OS will match you with a vetted CAD designer for production-ready CAD files, edits and manufacturing documentation.

Get it Built
500+Projects Done
24 hrResponse
15+CAD Tools
Free
Gb37Y3530 131 Dc Motor 1 | 3D CAD Engineering Model
MACHINE DESIGN · DC MOTOR

Gb37Y3530 131 Dc Motor 1 | 3D CAD Engineering Model

.STEP
Free
Mother Ducker 3Lb 1 | 3D CAD Engineering Model
3D PRINTING · MOTHER DUCKER 3LB 1

Mother Ducker 3Lb 1 | 3D CAD Engineering Model

.STEP
Free
Atuador Linear Pistao Eletrico 8000N 500Mm 24V 1 | 3D CAD Engineering Model
MACHINE DESIGN · ELECTRIC PISTON

Atuador Linear Pistao Eletrico 8000N 500Mm 24V 1 | 3D CAD Engineering Model

.STEP
Free
Spinner Concept 1 | 3D CAD Engineering Model
INDUSTRIAL DESIGN · SPINNER CONCEPT 1

Spinner Concept 1 | 3D CAD Engineering Model

.STEP
Free
Pounds But 12 1 | 3D CAD Engineering Model
3D PRINTING · POUNDS BUT 12 1

Pounds But 12 1 | 3D CAD Engineering Model

.STEP
Free
Prototype1Teamxlr8 1 | 3D CAD Engineering Model
MACHINE DESIGN · PROTOTYPE1TEAMXLR8

Prototype1Teamxlr8 1 | 3D CAD Engineering Model

.STEP
Free
Relay 250Vdc 1 | 3D CAD Engineering Model
ELECTRICAL · RELAY

Relay 250Vdc 1 | 3D CAD Engineering Model

.STEP
Free
2Ch Relay Module 1 | 3D CAD Engineering Model
ELECTRICAL · 2CH RELAY MODULE

2Ch Relay Module 1 | 3D CAD Engineering Model

.STEP
Free
Robot Hand 16 | 3D CAD Engineering Model
ROBOTICS · ROBOT HAND 16

Robot Hand 16 | 3D CAD Engineering Model

.STEP
Free
Lm10Luu Linear Bearing 3 | 3D CAD Engineering Model
MACHINE DESIGN · LM10LUU

Lm10Luu Linear Bearing 3 | 3D CAD Engineering Model

.STEP
Free
Rdy 5022 Mini Hubmotor For Combat Robots 1 | 3D CAD Engineering Model
ROBOTICS · RDY 5022

Rdy 5022 Mini Hubmotor For Combat Robots 1 | 3D CAD Engineering Model

.STEP
Free
Rotary Table For Laser Z Axis Optimization 1 | 3D CAD Engineering Model
MACHINE DESIGN · ROTARY TABLE

Rotary Table For Laser Z Axis Optimization 1 | 3D CAD Engineering Model

.STEP
Free
Mobile Robot E2 1 | 3D CAD Engineering Model
ROBOTICS · MOBILE ROBOT E2 1

Mobile Robot E2 1 | 3D CAD Engineering Model

.STEP
Free
Mobile Robot P1 1 | 3D CAD Engineering Model
ROBOTICS · MOBILE ROBOT P1 1

Mobile Robot P1 1 | 3D CAD Engineering Model

.STEP
Free
Ball Joint 30 | 3D CAD Engineering Model
MACHINE DESIGN · BALL JOINT 30

Ball Joint 30 | 3D CAD Engineering Model

.STEP
Free
Symmetrical Blade 1 | 3D CAD Engineering Model
MACHINE DESIGN · SYMMETRICAL BLADE 1

Symmetrical Blade 1 | 3D CAD Engineering Model

.STEP
Free
Hm10 57 Nema 23 Mounting Block For Sfu1204 Ballscrew 1 | 3D CAD Engineering Model
MACHINE DESIGN · HM10_57

Hm10 57 Nema 23 Mounting Block For Sfu1204 Ballscrew 1 | 3D CAD Engineering Model

.STEP
Free
Sot 89 2 | 3D CAD Engineering Model
ELECTRICAL · SOT89-2

Sot 89 2 | 3D CAD Engineering Model

.STEP