Welcome to Blockland, where modeling is lazy.You're too good for us. :<
-amazing-
Looks like you've got a rogue vertex on the roof
-lovesnip-
combat bomber ALSO goes soisoisoisoii'm practicing the blocko theme: when i made this, i accidentally made it look like pandan made it, but when i textured and exported it it looked like something that kaje does again
-chair-
It'd be better without the cushions.
Your models don't look like Sketchup models.
Also, it might just be the render but it looks like your staff is made out of many different pieces