diff --git a/manual/addons/mesh/3d_print_toolbox.rst b/manual/addons/mesh/3d_print_toolbox.rst index 4eff55646..f758e5f1d 100644 --- a/manual/addons/mesh/3d_print_toolbox.rst +++ b/manual/addons/mesh/3d_print_toolbox.rst @@ -23,8 +23,8 @@ Installation Description =========== -Blender can be used to created meshes for 3D printing. -Meshes exported from Blender are usually imported into a piece of software +Blender can be used to create meshes for 3D printing. +Meshes exported from Blender are usually imported into a piece of software that takes the mesh and "slices" it into paths that the 3D printer can execute. An example of such `Slicer `__ software is `Cura `__. @@ -71,7 +71,7 @@ of meshes, it is always worth trying to provide as clean a mesh as possible. Solid Checks for Non-Manifold edges and Bad Contiguous edges. - Edges should connect to exactly 2 faces. In it connects to only one, + Edges should connect to exactly 2 faces. If it connects to only one, it means there's a hole in the mesh. More is also not allowed. These edges are considered Non-manifold. If one of the faces' normals is pointing in a different direction than its neighbors, its edges are marked as "Bad Contiguous". @@ -106,7 +106,7 @@ Distorted In this example, a quad has been folded into a saddle-like shape. This triggers the `Distorted` check. It would be best to triangulate by hand here. - .. figure:: /images/3dprint_intersect.jpg + .. figure:: /images/3dprint_distorted.jpg This quad can triangulate in unexpected ways. @@ -143,8 +143,38 @@ Make Manifold such as by fixing `bad normals`, filling holes, and removing empty edges and faces. -Transform -========= +Edit +==== + +Hollow +------ + +This tool generates an offset surface from the target object using `OpenVDB `__. +It is useful for hollowing out a model for 3D printing, for instance, to save material and/or speedup print. +It is also possible to create a thin-walled mold for the object, when using an outside offset surface. + +The target object must be a closed surface to allow for an inside offset surface, but not necessarily manifold. +On the other hand, outside offset surfaces can be created even for open objects. + +Offset Direction + Where the offset surface is created relative to the object. An *Inside* surface is useful to hollow out the the + target, while an *Outside* surface can be used to create a thin-walled mold. + +Offset + Surface offset in relation to the original mesh. + +Voxel size + Lower values capture finer details but increase processing time and memory usage. Too large a value may lead to + the offset surface intersecting the original object. + +Hollow Duplicate + When unchecked, only the offset surface is generated. When checked, the tool generates a hollowed out copy + of the target. + +.. figure:: /images/3dprint_hollow_in_out.jpg + + An inside (left) and an outside (right) hollowed out object, both cut in half to show the interior. + Scale To -------- @@ -155,6 +185,14 @@ Volume Bounds Scales the model so that the biggest axis of the objects `bounds` (or `dimensions`) match the given value. +Align XY +-------- + +Rotates the object so that the selected faces are parallel, in average, to the XY plane. + +Face Areas + Take into account the sizes of the selected faces, so that larger ones contribute proportionally more to + the orientation than the smaller ones. Export ====== diff --git a/manual/images/3dprint_distorted.jpg b/manual/images/3dprint_distorted.jpg new file mode 100644 index 000000000..179b48f30 --- /dev/null +++ b/manual/images/3dprint_distorted.jpg @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:3f8c743d5399578d0dff8761daaada03affc6dc07a0858f6009a7493af6b345b +size 13681 diff --git a/manual/images/3dprint_hollow_in_out.jpg b/manual/images/3dprint_hollow_in_out.jpg new file mode 100644 index 000000000..140fcf740 --- /dev/null +++ b/manual/images/3dprint_hollow_in_out.jpg @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:6e255c7d75693d7e25cc3895f4cea7fe7e96087f580dc35b1d4a352cfd53990b +size 29827