CAD SOLUTION SOFT

CAD DESIGN & ENGINEERING PRACTICE

150 CAD Exercises to Practice in SolidWorks, CATIA & AutoCAD

2D Drawing Practice, 3D Modeling, Mechanical Parts & Assembly Design

150 Practice Topics Beginner to Advanced

Are you looking for 150 CAD exercises for AutoCAD, SolidWorks and CATIA to improve your computer-aided design skills? This practice guide will help engineering students, diploma students, mechanical designers and CAD beginners understand different types of technical drawings and 3D modeling tasks.

Practicing CAD drawings regularly helps you understand dimensions, geometric shapes, engineering drawing standards, sketch constraints, mechanical components and product design. Whether you want to practice AutoCAD 2D drawing exercises, SolidWorks part modeling, CATIA V5 practice drawings or mechanical assembly design, these exercise ideas provide a structured starting point.

You can use these tasks to build a CAD practice routine, prepare a student portfolio, revise modeling commands and improve your drawing accuracy. The exercises below are original practice prompts organized by topic; they are not a reproduction of a third-party drawing book.

What You Will Learn

• 2D engineering drawing and technical drafting
• AutoCAD commands, dimensions and geometric construction
• SolidWorks sketching, extrude, revolve, sweep and loft
• CATIA V5 part design and feature-based modeling
• Mechanical components and assembly practice
• Engineering drawing interpretation and design accuracy

150 CAD Practice Exercises List

Start with basic geometry and move toward detailed mechanical components. Use millimeters as your default unit unless an exercise or drawing specifies otherwise. Since these are practice prompts rather than fully dimensioned drawings, define suitable dimensions for each design and keep your assumptions consistent.

Part 1: AutoCAD 2D Drawing Exercises (1–30)

1. Draw basic lines, circles, arcs and rectangles using precise coordinates.
2. Create a 2D drawing using line, polyline and offset commands.
3. Practice tangent circles and tangent arcs.
4. Draw a regular hexagon with a specified side length.
5. Create a polygon with equal sides and accurate dimensions.
6. Draw a plate with four corner holes.
7. Create a rectangular plate with rounded corners.
8. Draw a circular flange with equally spaced holes.
9. Practice concentric circles and radial dimensions.
10. Draw a slotted plate with semicircular ends.
11. Create a symmetrical mechanical bracket profile.
12. Draw a stepped plate using line and trim commands.
13. Practice fillet and chamfer on a 2D profile.
14. Draw a simple shaft profile with multiple steps.
15. Create a pulley profile with concentric circles.
16. Draw a gear-like profile using repeated geometry.
17. Practice mirror and array commands on a plate.
18. Draw a keyway and shaft end profile.
19. Create a simple mechanical gasket outline.
20. Draw a mounting plate with four slotted holes.
21. Create a dimensioned hexagonal nut outline.
22. Draw a bolt head and threaded shaft representation.
23. Practice section hatching on a mechanical component.
24. Create front, top and side orthographic views.
25. Draw an isometric view of a stepped block.
26. Prepare a dimensioned machine component drawing sheet.
27. Draw a simple room floor plan with dimensions.
28. Create a door and window layout for a small room.
29. Practice layers, line types, text styles and line weights.
30. Prepare a complete 2D drawing with title block and dimensions.

Part 2: Mechanical Drawing Practice (31–50)

31. Draw a stepped shaft with shoulders and chamfers.
32. Create a shaft with a keyway and retaining groove.
33. Draw a bearing housing front profile.
34. Create a flange with a central bore and bolt holes.
35. Draw a simple pipe flange with a bolt circle.
36. Prepare a dimensioned mounting bracket.
37. Draw a gusset plate with angled edges.
38. Create a slotted connecting plate.
39. Draw a simple connecting rod profile.
40. Create a mechanical link with two circular ends.
41. Draw a support block with a central hole.
42. Create a clamp body profile.
43. Draw a screw jack base outline.
44. Prepare a vice jaw profile.
45. Draw a simple tool holder outline.
46. Create a pulley with a central bore and hub.
47. Draw a sprocket-style plate with repeated teeth.
48. Prepare a bracket with ribs and mounting holes.
49. Draw a stepped housing with a recessed pocket.
50. Create a complete dimensioned mechanical drawing sheet.

Part 3: SolidWorks 3D Part Modeling (51–80)

51. Model a rectangular block using Boss-Extrude.
52. Create a stepped block with two different heights.
53. Model a plate with four through holes.
54. Create a cylinder using an extruded circle.
55. Model a hollow cylindrical sleeve.
56. Create a shaft with multiple diameters.
57. Model a circular flange with a raised hub.
58. Create a mounting plate using Hole Wizard.
59. Model a bracket with a bent-style profile.
60. Create a block with a rectangular pocket.
61. Model a component with fillets and chamfers.
62. Create a ribbed mechanical support.
63. Model a hexagonal nut-shaped component.
64. Create a bolt head and simplified threaded shaft.
65. Model a pulley with a central hub.
66. Create a wheel using Revolve.
67. Model a stepped knob with a circular profile.
68. Create a bottle-shaped part using Revolve.
69. Model a hollow pipe elbow using Sweep.
70. Create a curved handle using a sweep path.
71. Model a transition part using Loft.
72. Create a tapered block using Draft.
73. Model a thin-walled enclosure using Shell.
74. Create a sheet-metal bracket using base flange features.
75. Model a cover plate with ribs and mounting holes.
76. Create a bearing block with a cylindrical seat.
77. Model a simple gear blank with a central bore.
78. Create a helical spring using a helix and sweep.
79. Model a mechanical lever with rounded ends.
80. Create a finished part with material, appearance and drawing views.

Part 4: CATIA V5 Part Design Exercises (81–105)

81. Create a rectangular part using Pad.
82. Model a stepped component using multiple Pad features.
83. Create a pocket inside a solid block.
84. Model a circular plate with a central hole.
85. Create a shaft using Shaft and a revolved sketch.
86. Model a groove in a revolved component.
87. Create a rib using a sketch and Rib feature.
88. Model a slot using the Slot feature.
89. Create a stiffening web using Stiffener.
90. Model a bracket with holes and fillets.
91. Create a hollow housing using Shell.
92. Model a flange with a raised central boss.
93. Create a part with a chamfered edge profile.
94. Model a mounting support with two arms.
95. Create a stepped pin with multiple diameters.
96. Model a pulley using a revolved section.
97. Create a component with repeated circular holes.
98. Model a slotted plate using Pocket.
99. Create a thin-walled pipe connector.
100. Model a ribbed enclosure cover.
101. Create a curved component using Generative Shape Design.
102. Practice a sweep-based tube using a defined guide curve.
103. Create a lofted transition between two profiles.
104. Build a mechanical part with multiple dependent features.
105. Generate a CATIA drawing with front, top and isometric views.

Part 5: Advanced 3D Modeling Exercises (106–125)

106. Design a small machine base with mounting pads.
107. Create a bearing support with a bore and bolt holes.
108. Model a shaft coupling half.
109. Create an Oldham coupling component.
110. Model a universal joint yoke.
111. Create a knuckle joint fork end.
112. Model a connecting rod with rounded ends.
113. Create a simple crank arm.
114. Model a screw jack body.
115. Create a bench vice fixed jaw.
116. Model a movable vice jaw.
117. Create a threaded spindle for a vice.
118. Model a simple tool post block.
119. Create a tailstock body for practice.
120. Model a small gearbox housing.
121. Create a cover with screw mounting points.
122. Model a pipe connector with flanges.
123. Create a valve body with inlet and outlet passages.
124. Model a sheet-metal electrical enclosure.
125. Create a plastic product housing with draft and ribs.

Part 6: CAD Assembly & Final Projects (126–150)

126. Assemble a bolt, nut and washer.
127. Create a two-part shaft coupling assembly.
128. Assemble a flange joint with bolts.
129. Create a hinge assembly with pin and leaves.
130. Assemble a simple universal joint.
131. Create an Oldham coupling assembly.
132. Assemble a knuckle joint.
133. Create a bench vice assembly.
134. Assemble a machine vice with spindle.
135. Create a basic screw jack assembly.
136. Assemble a bearing and shaft arrangement.
137. Create a pulley and shaft assembly.
138. Assemble a simple gear pair.
139. Create a small gearbox assembly.
140. Assemble a pipe flange connection.
141. Create a simplified stop valve assembly.
142. Assemble a drill jig with a base and guide bush.
143. Create a tailstock assembly with a spindle.
144. Design a small sheet-metal bracket assembly.
145. Create a three-part plastic enclosure assembly.
146. Prepare an exploded view of a mechanical assembly.
147. Create a bill of materials for an assembly drawing.
148. Generate manufacturing drawings with dimensions.
149. Prepare a complete CAD project with parts and assembly.
150. Export final drawings and supported neutral CAD formats.

How to Practice These CAD Exercises

1. Choose a suitable exercise based on your current skill level.
2. Read the drawing carefully and identify all available dimensions.
3. Set units, sketch planes and reference geometry correctly.
4. Use appropriate commands and fully define sketches where practical.
5. Check symmetry, hole positions, clearances and overall dimensions.
6. Save your model and create a technical drawing when required.
7. Review your work and correct errors before moving to a harder task.

Best CAD Software for These Exercises

1. AutoCAD

AutoCAD is useful for 2D drafting, technical drawing, dimensions, layouts, floor plans and detailed engineering documentation. Start with geometric construction before moving to complex dimensioned drawings.

2. SolidWorks

SolidWorks is widely used for parametric 3D mechanical design, part modeling, assemblies and engineering drawings. Practice sketches, extrusions, revolutions, patterns, fillets, lofts and sweeps.

3. CATIA V5

CATIA V5 is used in mechanical product development, complex surface design and engineering workflows. Practice Part Design, Sketcher, Generative Shape Design and Assembly Design according to your software version.

Most of these exercise ideas can be adapted to Siemens NX, PTC Creo, Autodesk Inventor, Fusion and other CAD applications. The available commands and workflows may differ between software packages.

Download 150 CAD Exercises PDF

If you need dimensioned reference drawings rather than just exercise ideas, use a resource that clearly identifies the number of drawings, file format, usage terms and download conditions. The following page describes a 150-exercise practice resource.

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150 CAD Exercises & Practice Drawings

Explore 2D and 3D CAD practice drawings and check the resource details before downloading.

View CAD Exercise Resource ↗

External website. Availability, access and download terms are determined by the resource publisher.

Important: This article contains 150 practice prompts created for learning. The external resource is provided separately; this page does not itself contain a downloadable 150-drawing PDF.

Frequently Asked Questions (FAQs)

1. Are these CAD exercises suitable for beginners?

Yes. Start with the basic AutoCAD 2D exercises and simple 3D parts. Progress toward complex features and assemblies as your skills improve.

2. Can I practice these drawings in SolidWorks and CATIA?

Yes. Many mechanical parts can be modeled in both programs, although feature names and the modeling workflow may differ.

3. Do I need a dimensioned drawing for every exercise?

Exact dimensions are essential for manufacturing-ready work. For practice prompts without dimensions, choose reasonable values and document your assumptions.

4. Are these exercises useful for mechanical engineering students?

They can help students improve sketching, drafting, part modeling, assembly relationships and technical drawing skills. Follow your course syllabus for examination requirements.

5. Can I use these projects in my CAD portfolio?

Yes. You can document your own models, screenshots, design decisions and drawings. Clearly identify your own contribution and follow the licensing terms for any external reference material.

6. Which CAD commands should I learn first?

For AutoCAD, begin with Line, Circle, Offset, Trim, Fillet and Dimension. For 3D modeling, learn Sketch, Extrude, Revolve, Pocket, Pattern, Fillet and Chamfer in your chosen application.

7. Are these exercises official certification questions?

No. They are independent practice prompts, not official examination questions or certification material.

Final Words

Regular practice is one of the most effective ways to improve your CAD skills. Work through these 150 CAD practice exercises for AutoCAD, SolidWorks and CATIA at your own pace. Focus on accurate sketches, logical feature order, clean dimensions and well-organized assemblies rather than completing every model quickly.

Save your best work in a portfolio and include screenshots, engineering drawings and short explanations of the commands you used. Consistent practice can help you prepare for mechanical design projects, internships and entry-level CAD work.

Keep Learning. Keep Designing.

Practice CAD every day and turn your engineering ideas into accurate models.