this is a simple model I made in fusion, based on the makeblock 3x6 metal plate it fits perfectly, comes with flexible screw holes 6 per side, you can mount it anywhere you want

included are, stl, and step file

you need at least

2x M4 bolts for mounting

1x M3 screw to lock in the laser module (you can also use 2)

1x 9mm Laser module

WARNING: don't stare directly into the laser module when powered on, even if it is only 5mW

instructions:

1. Print
2. Clean up
3. put in the laser module
4. lock in the laser module using M3(s) screw
5. shake it around and make sure it can't come loose
6. mount it on your robot
7. done!