Sahara's Page

HI everyone,

I am new to grasshopper and I have this definition which it will start by a geometry.....I try to create a geometry in rhino and set that geometry in grasshopper to my geometry in rhino but after setting the geometry,a solid box is created around my geometry in rhino as well and I cannot get rid of that solid box around my geo?? anybody knows why? and how can I get rid of that box???

thanks!!!!