About this 3D model
Wheels for sliding doors. The wheels are for the door in the cupboard. Print the lower and upper circles X2. Use springs fi 4X20 for the upper wheels and put them together after slightly heating. Install 608zz 8x22x7mm bearings in the upper and lower parts and press the guide pulley. The guides should be printed in any quantity, that is, as much as you need. The length of one segment is 180mm