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make-solid-tool.py
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make-solid-tool.py
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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8-80 compliant>
bl_info = {
'name': 'Make Solid',
'author': 'Agnieszka Pas',
'version': (2, 0, 0),
'blender': (2, 81, 0),
'location': 'Properties > Window > Object',
'description': 'Make non manifold object for 3d print',
'wiki_url': 'https://github.com/agapas/make-solid#readme',
'category': 'Object',
}
import bpy
import bmesh
from bpy.types import (
Operator,
Panel,
)
from bl_ui.properties_object import ObjectButtonsPanel
def prepare_meshes():
bpy.ops.object.make_single_user(object=True, obdata=True)
bpy.ops.object.convert()
bpy.ops.object.join()
bpy.ops.object.mode_set(mode='EDIT')
# selection dance for proper results
bpy.ops.mesh.select_all(action='DESELECT')
bpy.ops.mesh.select_all(action='SELECT')
bpy.context.tool_settings.mesh_select_mode = (True, True, True)
bpy.ops.mesh.normals_make_consistent(inside=False)
bpy.ops.mesh.separate(type='LOOSE')
bpy.ops.object.mode_set(mode='OBJECT')
def prepare_mesh(obj, select_action):
scene = bpy.context.scene
layer = bpy.context.view_layer
active_object = layer.objects.active
layer.objects.active = obj
bpy.ops.object.mode_set(mode='EDIT')
# reveal hidden vertices in mesh
bpy.ops.mesh.reveal()
# mesh cleanup
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.separate(type='LOOSE')
bpy.ops.mesh.delete_loose()
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.remove_doubles(threshold=0.0001)
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.fill_holes(sides=0)
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.quads_convert_to_tris()
# back to previous settings
bpy.ops.mesh.select_all(action=select_action)
bpy.ops.object.mode_set(mode='OBJECT')
layer.objects.active = active_object
def cleanup_mesh(obj):
mesh = obj.data
bm = bmesh.new()
bm.from_mesh(mesh)
bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
bm.to_mesh(mesh)
bm.free()
def add_modifier(active, selected):
bool_modifier = active.modifiers.new(name='Boolean', type='BOOLEAN')
bool_modifier.object = selected
bool_modifier.show_viewport = False
bool_modifier.show_render = False
bool_modifier.operation = 'UNION'
try:
bool_modifier.solver = 'CARVE'
except:
pass
bpy.ops.object.modifier_apply(modifier='Boolean')
view_layer = bpy.context.view_layer
layer_collection = bpy.context.layer_collection or view_layer.active_layer_collection
collection = layer_collection.collection
collection.objects.unlink(selected)
bpy.data.objects.remove(selected)
def make_solid_batch():
active = bpy.context.active_object
selected = bpy.context.selected_objects
selected.remove(active)
prepare_mesh(active, 'DESELECT')
for sel in selected:
prepare_mesh(sel, 'SELECT')
add_modifier(active, sel)
cleanup_mesh(active)
def is_manifold(self):
mesh = bpy.context.active_object.data
bm = bmesh.new()
bm.from_mesh(mesh)
for edge in bm.edges:
if not edge.is_manifold:
bm.free()
self.report({'ERROR'}, "Boolean operation result is non-manifold")
return False
bm.free()
return True
class OBP_OT_MakeSolidOperator(Operator):
"""Boolean Union on all selected objects"""
bl_idname = "object.make_solid"
bl_label = "Make Solid"
bl_options = {'REGISTER', 'UNDO'}
mode = 'UNION'
def execute(self, context):
layer_objects = bpy.context.view_layer.objects
active = layer_objects.active
selected = layer_objects.selected
if active is None or len(selected) < 2:
self.report({'WARNING'}, "Select at least 2 objects")
return {'CANCELLED'}
else:
prepare_meshes()
make_solid_batch()
is_manifold(self)
return {'FINISHED'}
class OBP_PT_MakeSolidPanel(ObjectButtonsPanel, Panel):
bl_idname = "OBP_PT_MakeSolidPanel"
bl_label = "Make Solid"
bl_options = {'DEFAULT_CLOSED'}
bl_order = 11
def draw(self, context):
layout = self.layout
col = layout.column()
row = col.row()
row.operator("object.make_solid", text="Combine Objects")
classes = (
OBP_PT_MakeSolidPanel,
OBP_OT_MakeSolidOperator,
)
def register():
for cls in classes:
bpy.utils.register_class(cls)
def unregister():
for cls in classes:
bpy.utils.unregister_class(cls)
# if __name__ == "__main__":
# register()