About this 3D model

I Made this by combining 3 ideas from these objects: https://www.thingiverse.com/thing:3152549 https://www.thingiverse.com/thing:3601130 https://www.thingiverse.com/thing:2163508 Visit the first link to download the ball guide and see more details, as the main shape came directly from it. This was designed for the Monoprice select mini. I hope you like it! please let me know if you think I should make any changes.