Caged Ball

thingiverse

This is a model I came up with to help calibrate the Mendel Prusa I built. It has flat and curved surfaces, narrow columns, bridges over open space, and a means of determining build tolerances. Instructions I sliced this with Slic3R, with the following config settings: acceleration = 0 bed_size = 200,200 bed_temperature = 60 bottom_layer_speed_ratio = 0.3 bridge_fan_speed = 100 bridge_flow_ratio = 1 bridge_speed = 25 cooling = 0 disable_fan_first_layers = 1 duplicate = 1 duplicate_distance = 6 duplicate_grid = 1,1 end_gcode = M104 S0 ; turn off temperature\nM140 S0; turn off hot bed\nG28 X0 ; home X axis\nM84 ; disable motors extrusion_axis = E extrusion_multiplier = 1 extrusion_width_ratio = 0 fan_always_on = 0 fan_below_layer_time = 60 filament_diameter = 1.75 fill_angle = 45 fill_density = 0.6 fill_pattern = rectilinear first_layer_bed_temperature = 60 first_layer_height_ratio = 1 first_layer_temperature = 185 g0 = 0 gcode_arcs = 0 gcode_comments = 0 gcode_flavor = reprap infill_acceleration = 50 infill_every_layers = 1 infill_speed = 40 layer_gcode = layer_height = 0.2 max_fan_speed = 100 min_fan_speed = 35 min_print_speed = 10 notes = nozzle_diameter = 0.35 output_filename_format = [input_filename_base].gcode perimeter_acceleration = 25 perimeter_speed = 35 perimeters = 3 post_process = print_center = 65,65 retract_before_travel = 2 retract_length = 1 retract_lift = 0 retract_restart_extra = 1 retract_speed = 30 rotate = 0 scale = 1 skirt_distance = 6 skirt_height = 1 skirts = 1 slowdown_below_layer_time = 15 small_perimeter_speed = 25 solid_fill_pattern = concentric solid_infill_speed = 35 solid_layers = 3 start_gcode = G28 ; home all axes support_material = 0 support_material_tool = 0 temperature = 185 travel_speed = 65 use_relative_e_distances = 0 z_offset = 0 Probably not optimum. Printed in clear PLA, 1.75 mm. Probably not the best choice, since I work in a high humidity environment. As designed there should be about 0.5 mm clearance between the ball and the cage, such that the ball is free inside the cage once the print is complete. My first print of this did not quite work out that way. it may need more clearance. Also, this is my first project, and I am not too happy with the surface finishes I am getting. It would be nice to see what others can do with this.