I have completed the steering rack. The design is now too big to handle for my laptop. After all the recommended spec for Autodesk Inventor are:

Recommended System Requirements (includes Autodesk Vault client)
Part and assembly design (less than 1,000 parts)

• Intel® Pentium® 4, Intel® Xeon™, or AMD Athlon processor, 2GHz or higher
• 1 GB or more RAM        
• 3.5 GB free disk space
• 128 MB OpenGL-capable graphics card

Preferred System requirements (includes Autodesk Vault client)
Large assembly design (more than 1,000 parts)

• Intel® Pentium® 4, Intel® Xeon™, or AMD Opteron™ processor, 3 GHz or higher
• 3 GB or more RAM
• 3.5 GB free disk space
• 128 MB or more OpenGL-capable workstation class graphics card

My Laptop is a P3 700 with 192MB of RAM and 6 gig of storage space.

An evil space ship with a hull forged from lost Iron Chef Utensils. It's mixing bowl dough drive is powered by a modified quantum rice cooker power core.