Upload shared Blender task helper

Remove stray task helper file tasks/utils.py

Remove stray cache folder tasks/step_block_60_40_30_4_hole/__pycache__

Remove stray cache folder tasks/spur_gear_m1_z16_t6_bore5/__pycache__

Remove stray task helper file tasks/specs.py

Remove stray cache folder tasks/ring_50_30_h12_6_bolt4_pcd40/__pycache__

Remove stray cache folder tasks/ring_30_20_h10_z_plus/__pycache__

Remove stray task helper file tasks/rendering.py

Remove stray cache folder tasks/plate_80x40x8_slot_4_hole/__pycache__

Remove stray cache folder tasks/plate_100x60x12_slot_8_hole/__pycache__

Remove stray cache folder tasks/m3x6_socket_head_zminus/__pycache__

Remove stray cache folder tasks/l_bracket_40x40x6_2_hole/__pycache__

Remove stray cache folder tasks/hex_nut_af17_h8_bore10/__pycache__

Remove stray cache folder tasks/gearbox_functional_collision_trim/__pycache__

Remove stray cache folder tasks/flange_40_24_h20_bolt4/__pycache__

Remove stray cache folder tasks/custom_threaded_pair_nonstandard/__pycache__

Remove stray cache folder tasks/cube_20mm_z_minus/__pycache__

Remove stray cache folder tasks/compound_right_angle_gearbox_reverse/__pycache__

Remove stray cache folder tasks/compound_gearbox_functional/__pycache__

Remove stray cache folder tasks/box_30x20x10_z_plus/__pycache__

Remove stray task helper file tasks/blender_common.py

Remove stray cache folder tasks/aluminum_extrusion_20x20x60_5_bore/__pycache__

Remove stray cache folder tasks/__pycache__

Upload public CAD benchmark task manifest

Upload public CAD benchmark tasks

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