basic_hologram.py

import bpy, numpy
from mathutils import *
radius = 20
n_samples = 25
samples = numpy.random.multivariate_normal([-0.5, -0.5], [[radius, 0],[0, radius]], n_samples)
for point in range(0, len(samples)):
    locX = samples[point][0]
    locY = samples[point][1]
    bpy.ops.mesh.primitive_cube_add(location=(locX,locY,0))
    if(numpy.random.sample() > 0.5):
        thisSphere = bpy.data.objects[point]
        thisSphere.keyframe_insert('location',frame=0)        
        thisSphere.location += Vector((0,0,10))
        thisSphere.keyframe_insert('location',frame=25)   
        thisSphere.location += Vector((0,0,-10))
        thisSphere.keyframe_insert('location',frame=50)        
        
bpy.ops.wm.save_as_mainfile(filepath="./randomCubesAnim.blend")
bpy.ops.export_scene.fbx(filepath="./randomCubesAnim.fbx",
                         object_types={'MESH','ARMATURE'},
                         bake_anim_use_nla_strips=False, 
                         bake_anim_use_all_actions=False) # following recommendations from SketchFab