Stackable Storage Rack for Shoes and Spools

Inspired by the DGA3DP design (link: DGA3DP model), this rack has modified joining parts and enhanced base support. It can be used for storing shoes or spools. The rack requires a 10mm diameter aluminum tube. For shoes, you can use a tube up to 100cm in length, while for spools, a 50cm tube is recommended for better load-bearing capacity. Each layer can hold up to 8 rolls of 1kg spools. To increase support, you can adjust the thickness of the spool and the tube hole size in Bambu Studio. With th