Mountain Bike rectangular top tube cradle for car

Bike rack cradle for bikes with rectangular top tubes.  This cradle has been designed for a Retrospec Lenox 2-5 - Bike Hitch Rack but would work for any bike rack with 1 inch (25mm) tubes.  All of the original hardware from the existing cradle can be transferred to this print, including the captured nut, tensioning bolt and rubber strap.   The print is designed to not need supports.  Since this print will be exposed to weather conditions and  prolonged stress on the tie down posts, it is recommended to use nylon or other suitable filaments.  It also includes raised inserts that are intended to be printed in TPU. 

The bike rack used for testing can be found here:  https://www.amazon.com/dp/B0923936NH?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1