A simple to use drilling-jig for drilling perpendicular/straight holes. A container is added to collect drill dust when drilling on wall.
It's customizable. Click "Open in Customizer" to generate your own model. Or you may find one suitable for you from the existing remixes and download STL file.
If you don't need the sawdust collector, get the original: https://www.thingiverse.com/thing:3013962