Modeling Tools

Create and manipulate SolidWorks parts, assemblies, and drawings. These are the foundational tools for any CAD workflow — opening files, creating features (extrude, revolve), and querying/setting driven dimensions.

Prerequisite: An active SolidWorks session. Most feature tools require an open Part document.

Total tools in this category: 12

---

open_model

Open a SolidWorks model (part, assembly, or drawing).

Prerequisite: SolidWorks running

Parameters:

Parameter	Type	Required	Default	Description
file_path	str	✅	``	Full path to the SolidWorks file (.sldprt, .sldasm, .slddrw)

Sample call:

{
  "file_path": "C:\\Temp\\mcp_demo\\part.sldprt"
}

---

create_part

Create a new SolidWorks part document.

Prerequisite: SolidWorks running

Parameters:

Parameter	Type	Required	Default	Description
name	str	✅	``	Name for the new part
template	str?	—	None	Template file path for the new part
units	str?	—	None	Document units
material	str?	—	None	Material name

Sample call:

{
  "name": "MCP_Demo_Part"
}

---

create_assembly

Create a new SolidWorks assembly document.

Prerequisite: SolidWorks running

Parameters:

Parameter	Type	Required	Default	Description
name	str	✅	``	Name for the new assembly
template	str?	—	None	Assembly template file path
components	List[str]	✅	``	Component list

Sample call:

{
  "name": "MCP_Demo_Part",
  "components": []
}

---

create_drawing

Create a new SolidWorks drawing document.

Prerequisite: SolidWorks running

Parameters:

Parameter	Type	Required	Default	Description
name	str	✅	``	Name for the new drawing
template	str?	—	None	Drawing template file path
model_path	str?	—	None	Source model path
sheet_format	str?	—	None	Sheet format template

Sample call:

{
  "name": "MCP_Demo_Part"
}

---

close_model

Close the current SolidWorks model.

Prerequisite: An active open document

Parameters:

Parameter	Type	Required	Default	Description
save	bool	—	False	Save the model before closing

Sample call:

{}

---

create_extrusion

Create an extrusion feature from the active sketch.

Prerequisite: Active part with an active sketch (exit sketch first with exit_sketch)

Parameters:

Parameter	Type	Required	Default	Description
sketch_name	str	✅	``	Sketch name to extrude
depth	float	✅	``	Extrusion depth in millimeters
direction	str	—	blind	Extrusion direction
reverse	bool?	—	None	Reverse direction alias
draft_angle	float	—	0.0	Draft angle in degrees
reverse_direction	bool	—	False	Reverse extrusion direction
both_directions	bool	—	False	Extrude in both directions
thin_feature	bool	—	False	Create as thin wall feature
thin_thickness	float?	—	None	Thickness for thin wall feature in mm
end_condition	str	—	Blind	End condition type
merge_result	bool	—	True	Merge with existing geometry

Sample call:

{
  "sketch_name": "Sketch1",
  "depth": 25.0
}

---

create_revolve

Create a revolve feature from the active sketch.

Prerequisite: Active part with an active sketch containing the profile and axis

Parameters:

Parameter	Type	Required	Default	Description
sketch_name	str	✅	``	Sketch name to revolve
axis_entity	str	✅	``	Axis entity for the revolve
angle	float	✅	``	Revolve angle in degrees
direction	str	—	one_direction	Revolve direction
reverse_direction	bool	—	False	Reverse revolve direction
both_directions	bool	—	False	Revolve in both directions
thin_feature	bool	—	False	Create as thin wall feature
thin_thickness	float?	—	None	Thickness for thin wall feature in mm
merge_result	bool	—	True	Merge with existing geometry

Sample call:

{
  "sketch_name": "Sketch1",
  "axis_entity": "Line1",
  "angle": 360.0
}

---

get_dimension

Get the value of a dimension from the current model.

Prerequisite: Active document with named dimensions

Parameters:

Parameter	Type	Required	Default	Description
name	str?	—	None	Dimension name (e.g., 'D1@Sketch1', 'D1@Boss-Extrude1')
dimension_name	str?	—	None	Dimension name alias

Sample call:

{}

---

set_dimension

Set the value of a dimension in the current model.

Prerequisite: Active document with named dimensions

Parameters:

Parameter	Type	Required	Default	Description
name	str?	—	None	Dimension name (e.g., 'D1@Sketch1', 'D1@Boss-Extrude1')
dimension_name	str?	—	None	Dimension name alias
value	float	✅	``	New dimension value in millimeters
units	str?	—	None	Units alias

Sample call:

{
  "value": 50.0
}

---

set_units

Set the active document's linear unit system (mm, cm, m, in, ft; aliases such as inch / millimeters accepted). The setting is applied and read back — a mismatch is reported as an error rather than a false success.

Prerequisite: Active document

Parameters:

Parameter	Type	Required	Default	Description
unit_system	str	✅	``	Linear unit system: mm, cm, m, in, or ft

Sample call:

{
  "unit_system": "in"
}

---

rename_feature

Rename a feature on the feature tree. SolidWorks silently refuses a rename onto a name another feature already uses, so the new name is read back and a mismatch is reported as an error. Renaming a feature to its current name is a no-op success.

Prerequisite: Active document containing the named feature

Parameters:

Parameter	Type	Required	Default	Description
old_name	str	✅	``	Current feature name, e.g. 'Fillet1'
new_name	str	✅	``	New feature name, e.g. 'MountingEdgeFillet'

Sample call:

{
  "old_name": "Fillet1",
  "new_name": "EdgeBreak"
}

---

create_reference_point

Create a reference point on the active part. Two modes: along_curve places a point on the edge under (x, y, z) mm — either distance mm from the edge start or at percent (0–100) of its length; face_center places a point at the centroid of the face under (x, y, z) mm. The coordinate must lie on the target edge/face. InsertReferencePoint always returns a feature, so success is confirmed by the feature tree growing.

Prerequisite: Active part with the target edge/face

Parameters:

Parameter	Type	Required	Default	Description
mode	str	✅	``	along_curve or face_center
x	float	✅	``	X of a point on the target edge/face, in mm
y	float	✅	``	Y of a point on the target edge/face, in mm
z	float	✅	``	Z of a point on the target edge/face, in mm
distance	float?	—	None	along_curve only: offset from the edge start in mm
percent	float?	—	None	along_curve only: 0–100 of the edge length

Sample call:

{
  "mode": "along_curve",
  "x": 25, "y": 0, "z": 10,
  "percent": 50
}

---