( This is legal in Australia, the rules probably vary by country, If you chose to print this)
( Use them with these mounts for https://www.thingiverse.com/thing:672284 attaching them to your car )
I got a bit annoyed by the Magnetic L plates falling off and or tearing apart once in a while,
I decided to print a plastic sturdy version of it, that can be screwed in to suction cups and
Installed when teaching a driver.
Recommend printing with ASA(to avoid discolouration over prolonged UV exposure, unless
You mount it from the inside, or at least ABS to deal with heat. Print with PLA at your own risk
Or if you live in freezing temperatures.
Here is the Red & Green P Plates if you want them.
Drive safe mates!