Use the Split command to split part faces so that you can add draft , trim a part and remove one of the resulting sides, or split a part into two solid bodies. You can also use the Split command to do Face splits on solid and surface bodies and Part splits on solid bodies.

What geometry can be used as a parting line?

You can split a part using a work plane or sketch a parting line on a work plane or part face. The sketched parting line can include lines, arcs, and splines. A surface body is often used as a split tool for the Split Solid command.

Can split faces have different angles of draft?

You can split all faces in one or several operations, and then use the Face Draft command to apply individual angles of draft to each face.

Procedures

Split a face, trim a part, create a multi-body part

Click 3D Model tab Modify panel Split to split a part into multiple bodies or to trim and remove one side. If you prefer, you can split one or more faces, then apply draft on selected faces. You can also split one or more faces on a surface body.

To begin, create a part and position a work plane or sketch a 2D parting line on a part face or work plane to use as the split tool. You can also use a surface body instead, as the split tool.

To split faces of solid or surface bodies

Start the Split command and click the Split Face method from the feature dialog.
Note The Split Face method splits individual faces, while the Trim Solid method splits and removes a section of the part. The Split Solid method creates multiple solid bodies.
Select a 2D sketch, 3D sketch, work plane, or surface to be used as the Split Tool.
Note3d sketches must lie on the faces to be split, and must fully intersect the faces to be split.
Select one of the following:
- Click All, and select the part or surface body to split all its faces.
- Click Select, and select one or more faces of the part or surface body to split.
Click OK.

After part faces are split, you can use the Face Draft command to apply draft.

To trim a part and remove one side

Start the Split command and click the Trim Solid method from the feature dialog.
Select the Split Tool, and then click the work plane, 2D sketch or surface body to use as the split tool.
Click the direction method to indicate the side to remove.
Click OK.

NoteTrim Solid cannot be used to remove one side of a surface body. Trim Solid only works on solid bodies.

To split a part into multiple solid bodies

Start the Split command and click the Split Solid method from the feature dialog.
Select the Split Tool, and then click the work plane, 2D sketch or surface body to use as the split tool.
If there is only one solid in the part file, the solid is automatically selected. If there are multiple solid bodies present, select the Solid to be split.
Click OK.

NoteSolid bodies in a multi-body part file can be exported as individual part files by using the Make Part command. Files created with this workflow are associative to the parent part file.

To create 2 parts from a split part

By default, Split removes one side of a split part, but you can split a part into two parts, saving each with a unique name.

Sketch a parting line on a part face.
Click Save As Save Copy As to save the part with the parting line and both halves intact.
Use the Split command with the Trim Solid method to split the part and remove the selected half.
Use Save Copy As to save the first half of the part.
Open the original file, then use the Split command with the Trim Solid method to remove the other half of the part.
Use Save Copy As to save the second half of the part.

Both halves of the part are now saved in separate files.

NoteFiles created with this workflow are not associative to each other or the original source file. Each file is unique. Use the Split Solid method in a multi-body part if associativity is required.

References

Split face or part

Splits part faces, trims the entire part and removes one of the resulting sides, or splits a solid into two bodies. Split Face allows faces on both sides of the split to have draft applied. Also allows selection of 3D curves to split faces.

NoteThe Trim Solid and Split Solid options are disabled upon selection of 3D curve as a split tool.

Access:

Ribbon: 3D Model tab

Modify panel

Split

Method

Selects a face or entire part to split.
Split Face	Selects one or more faces to split into two pieces.
Trim Solid	Selects part or body to split and discards one side.
Split Solid	Selects work plane or parting line used to split a solid body into two pieces.

Select

When Split Face method is active, selects all or specific faces to split.
Split Tool	Selects work plane, surface, or sketch to split a face or solid into two pieces.
Faces	When the Split Face method is active, selects faces to be split.
Solid	When the Trim Solid or Split Solid methods are active, selects solid body to be trimmed or split.

Faces

When Split Face method is active, selects all or specific faces to split.
All	Selects all faces to split. Click OK.
Selected	Selects faces to split. Click Faces, select faces to split, and then click OK.

Remove

When Trim Solid method is active, click Side to Remove to preview, and then click OK to remove specified side.

Inventor LT

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Split faces, trim and split solids

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