Create Mesh from Empties

import bpy

import bmesh

from mathutils import Vector

# Set your collection name here

collection_name = "Empties"

# Get the collection

collection = bpy.data.collections.get(collection_name)

if not collection:

    raise Exception(f"Collection '{collection_name}' not found.")

# Gather world positions of all empties in the collection

positions = [obj.matrix_world.translation for obj in collection.objects if obj.type == 'EMPTY']

if len(positions) < 2:

    raise Exception("Need at least 2 empties to create a mesh.")

# Create new mesh and object

mesh = bpy.data.meshes.new("EmptyMesh")

obj = bpy.data.objects.new("EmptyMeshObj", mesh)

bpy.context.collection.objects.link(obj)

# Create geometry

bm = bmesh.new()

verts = [bm.verts.new(pos) for pos in positions]

bm.verts.ensure_lookup_table()

# Option 1: Create a connected line (polyline)

for i in range(len(verts) - 1):

    bm.edges.new((verts[i], verts[i + 1]))

# Optional: Close the loop into a face (uncomment below)

# if len(verts) > 2:

#     bm.faces.new(verts)

# Finish and write to mesh

bm.to_mesh(mesh)

bm.free()