You can use for 3030 Bosch profile. You need srew M5 nut.
I recommend it for fixing light structures, for example casing, housing, lighter structure holder. You print as much as you want if you need it quickly. I recommend stronger materials, if possible use carbon fiber materials if you want to hold a larger load with it.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.