CO2 Shell Dragster Tutorials

Welcome to cudacountry's SOLIDWORKS 2024 and Mastercam 2025 CO2 Shell Dragster Tutorials. At cudacountry we use SOLIDWORKS 2024 to design our cars.

New Visualize to render the cars.

The following tutorials with the PDF icon are available for viewing. Download the free reader from Adobe.
Any questions contact cudacountry at

Here are 2019 tutorials. It's highly recommended to use the new 2024 tutorials.


Table of Contents

Part 1. Blank. Units are all metric.

2. Body. Style Spline in sketches for side and bottom cuts.

Part 3. Front Wheel GT-F.
Part 4. Rear Wheel GT-R.
Part 5. Front and Rear Axles.
Part 6. Front and Rear Spacers.
Part 7. Washer.
Assembly 8. Assembly.
Drawing 9. Drawing. 11” by 17” paper.
Part 10. Eye Screw with Threads and Mates.
Part 11. Cartridge with Mates.
Decal 12. Decals. Flames and Band decals for Body. Click here for decal zip file. Decals zip file includes Photoshop file with editble text. Change text and save as png for decal.
Visualize 13. Render in Visualize.
14. Analyze in Wind Tunnel. Analyze assembly design using Flow Simulation and create animation of flow trajectories. Our best was 12.72 drag! Can you design car with less drag?
Part 15. Axle Retainer. Extra part not included in this assembly project.
Part 16. E-Clip. Extra part.
Part 17. Hair Pin Clip. Extra part.
18. SW24 to Mastercam 2025. In this tutorial you open your SW body file in Mastercam 2025 and the solid body is moved to Mastercam origin. Next, create two WCS planes to position solid body into the correct Mastercam XY axis. Then create check solid. New in 2025, create stock setup for each WCS.
19. Mastercam 2025 HST toolpaths to cut shell car body from balsa blank: 1) Bottom shell wheel cutouts using rough Area Clearance deep plunge Trochoidal elliptical cuts and finish Raster. 2) Cut body left side using finish Equal Scallop toolpath. 3) Mirror left cut to right side cut.

Here are:
This 2024 version is recommended.

Body cut extrude sketches are drawn with the Style Spline. Using Style Spline improves ability to thread spline between blank edge and wheel shells and fully define by dimensioning control vertex points. Here's bottom cut Style Spline...
Mastercam 2025 rough Area Clearance deep plunge Trochoidal elliptical cuts.
Mastercam 2025 finish Equal Scallop toolpath