Matrix corner light.
I used supports only for the build plate.
Print the pegs as they are, counter intuitive, but it seems to work better then other orientations. That said, I'm not your dad, do what you want ;)
Pegs will clip right in, some glue if it will make you feel more comfortable :)
Wall parts will fit together… have a look at the model, its not rocket science ;)
The author marked this model as their own original creation.