4 model

Free

Guitar Pics Multiple thickness

Thingiverse

Free

Better Tensioner / Pulley / Idler Wheel for Geeetech (pics to prove it)!

Thingiverse

Free

Creality Ender 5 Pi Camera Mounting System (Sorry about distorted pics)

Thingiverse

Free

Squash Ball Feet for Ender 3 (or 2040 Bars)

Thingiverse