Prototype Open Track 180 Degree Turn VERSION 4.0, 1:64 Scale Diecast, 3D Printed - Test Footage

I've been working designing a better turn than the Adventure Force Nascar Crash Racers turn. Here is the test footage of my fourth prototype. Works great with die cast Hot Wheels and Matchbox cars. 00:00 - Spool Heads Racing Main Title 00:52 - 180 Turn Version 3.1 02:44 - Introducing 180 Turn Version 4 04:04 - Test Runs 06:56 - Closing 07:32 - More Test Runs For People Who Want More Here is a search to find the latest SR1 track to 3D print: https://www.thingiverse.com/search?q=... Or Search for Spool Heads Racing or SR1 track on Thingiverse.com to download the stl files. This video is intended for die cast racing fans age 13 and older.