OpenSCAD projects for 3D printers.
Modular blocks for organizing cables behind and below a desk.
Generic screwable U shape holders.
Generic door stopper lock.
Customizable spacer for standard RV push locks to align buttons when mounted on doors when different thickness or curve.
To ease developments with OpenSCAD, you can try the IntelliJ OpenSCAD plugin. It handles formatting, syntax highlighting, code completion, rendering and STL file generation with OpenSCAD.