CO2 Rail Car E Dragster

Welcome to cudacountry's SOLIDWORKS 2024 and Mastercam 2025 CO2 Rail Car E Tutorials.
E is for EASY! We use SOLIDWORKS 2024 to design our cars and Mastercam 2025 to create CNC toolpaths to cut the car body.
The following tutorials with the PDF icon are available for download. Download the free reader from Adobe.
Any questions contact cudacountry at


Table of Contents

Part 1. Blank. Now includes cylindrical and center plane Mate References. This tutorial is the same as Rail Car and Shell Car blank.

2. Body.

Part 3. Front Wheel.
Part 4. Rear Wheel.
Part 5. Axles.
Part 6. Washer.
Part 7. E-Clip.
Assembly 8. Assembly.
Drawing 9. Drawing. 11” by 17” paper.
Part 10. Eye Screw with Mates. This tutorial uses the Thread Wizard to create threads.
Part 11. Cartridge with Mates.
Decals 12. Decals for Body. Click here to try decals. Decals zip file includes Photoshop file with editble text. Change text and save as png for decal. No Photoshop. Try editting in free online Pixlr.
Visualize 13. Render in Visualize


14. Analyze in Wind Tunnel. Analyze assembly design using Flow Simulation.
15. SW2024 to Mastercam 2025. Open your SW body file in Mastercam 2025. In Mastercam the solid car body is rotated into the correct Mastercam XY axis and moved to Mastercam origin. Then create check solid to keep tool away from fixture. Finish off with creating WCS plane. Units are metric.
16. Car body toolpaths for Mastercam 2025. Units are all metric. Toolpaths to cut rail E car body from balsa blank: 1) Cut body left side using finish Equal Scallop toolpath. 3) Mirror left cut to right side cut.
Here are:
This 2024 version is recommended.