These basic components and Things are inspired by aluminum 1515 extrusions but instead are 3d printable. They can be assembled using m3 screws into all kinds of modular thing. Cube: Unuseable cube thingy: Lenovo P15v laptop stand: Round Shelf 50mm: Some Dell monitor foot raiser: Spool holder 1kg: Spool holder 2.3kg: Spool holder 4kg: