A very dense tree :-)

thingiverse

Customized version of http://www.thingiverse.com/thing:279864 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=279864 Instructions Using the following options: min_number_of_branches_from_each_branch = 6 start_budding_position = 0 max_number_of_branches_from_each_branch = 7 stop_budding_position = 1 maximum_branching_iterations = 8 custom_shape = [[[31.239968999999998,35.330148999999996],[78.98664900000002,-9.185372999999997],[30.189275999999995, -42.967914999999996],[-30.190285,-54.458629],[-0.4999754004909947,-30.780215],[27.991261999999996,44.971875],[-26.991271,-51.453201],[-32.191257,-40.113557],[83.98262899999999,-1.480225999999998],[19.489948000000006,41.482478],[-16.491158,45.464493], [24.189281,-35.469549],[20.890258,34.468555],[-14.991168,28.46656],[-30.188993,-44.96359],[-5.9889759e-7,21.46754]]],[[0,1,2,3,4,5,6,7,8,9], [10,11,12,13,14,15]]] min_branching_angle = 60 branch_twist_angle = 120 allow_all_overhangs = 0 length_min_ratio = 70 max_number_of_branches_from_each_branch = 5 branch_diameter_cutoff = 1.8 root_min_ratio = 55 tip_max_ratio = 75 seed = 3 branches_keep_growing = 3 trunk_length = 40 use_advanced_settings = 0 length_max_ratio = 110 branch_cross_section_shape = 5 max_branching_angle = 60 tip_min_ratio = 50 stop_budding_position = 1 allowed_overhang_angle = 65 base_shape = 6 trunk_radius = 35