杏鑫娱乐总代理/扣5908601/

[ksnxp]

from sdf import *
w = 50
l = 25
thick = 3
base_rad = 5
base = box((w,l,thick))
base -= rounded_box((w,l,thick),base_rad)
stl = base.generate()
write_binary_stl('test.stl', stl)