As soon as I open the door mine runs to the top of the screen which makes it easy to grab him. I just curl my fingers around him and he will release the screen and climb onto my hand eventually. Never pull the off screen though. You could rip off a nail.
Looks good to me. Very creative design.
Just watch for mold with the bamboo. My Cham likes to chew on every so I would also be concerned with the twine.
Every personality is different. Some can be encouraged by food. Some will try to bit you every time. The best things to move them quickly so they don't get stressed.
I have a nosy too!!