Added Ollama and update other AI script generation features

docs/source/configuration.rst

@@ -441,7 +441,7 @@ Generate CadQuery or OpenSCAD scripts with Generative AI using the following syn
   parts:
     <part name>:
       type: <ai-openscad|ai-cadquery>
-      provider: <google|openai, the model provider to use>
+      provider: <google|openai|ollama, the model provider to use>
       tokens: <(optional) the limit of token context>
       top_p: <(optional, openai only) the top_p parameter>
       images: <(optional) contextual images as input for AI>

docs/source/features.rst

@@ -17,14 +17,37 @@ Last but not least, they are powering accessibility features,
 allowing blind users to navigate the catalog of parts or to interactively
 create their own designs.
 
-Google and OpenAI models are supported. The following configuration is required:
+Google Gemini, OpenAI and Ollama APIs are supported.
+The following configuration is required:
 
   .. code-block:: yaml
 
     # ~/.partcad/config.yaml
     googleApiKey: <...>
     openaiApiKey: <...>
 
+The following configuration is optional:
+
+  .. code-block:: yaml
+
+    # ~/.partcad/config.yaml
+    # ollamaNumThread is the number of CPU threads Ollama should utilize
+    ollamaNumThread: <integer>
+
+PartCAD AI agents are designed to query AI multiple times,
+so that a range of options is considered and the best result is found.
+The following configuration options can be used to influence that bahavior:
+
+  .. code-block:: yaml
+
+    # ~/.partcad/config.yaml
+    # maxGeometricModeling is the number of attempts for geometric modelling
+    maxGeometricModeling: 4
+    # maxModelGeneration is the number of attempts for CAD script generation
+    maxModelGeneration: 3
+    # maxScriptCorrection is the number of attempts to incrementally fix the script if it's not working
+    maxScriptCorrection: 2
+
 
 Design
 ------
@@ -42,6 +65,7 @@ The generated part definitions are persisted as Python or CAD scripts.
     pc inspect "generated-case"
 
 To use ChatGPT instead of Gemini, pass "openai" instead of "google" as the "--ai" parameter.
+To use Ollama, pass "ollama".
 
 If needed, the part can be regenerated by truncating the generated files.
 

examples/produce_part_ai_build123d/README.md

@@ -0,0 +1,35 @@
+# /pub/examples/partcad/produce_part_ai_build123d
+
+PartCAD parts defined using AI-generated build123d scripts.
+
+## Usage
+```shell
+pc inspect cube
+pc inspect prism
+pc inspect tetrahedron
+```
+
+
+## Parts
+
+### cube
+<table><tr>
+<td valign=top><img src="././cube.svg" width="200" height="200"></td>
+<td valign=top>A cube</td>
+</tr></table>
+
+### prism
+<table><tr>
+<td valign=top><img src="././prism.svg" width="200" height="200"></td>
+<td valign=top>A hexagonal prism</td>
+</tr></table>
+
+### tetrahedron
+<table><tr>
+<td valign=top><img src="././tetrahedron.svg" width="200" height="200"></td>
+<td valign=top>A tetrahedron</td>
+</tr></table>
+
+<br/><br/>
+
+*Generated by [PartCAD](https://partcad.org/)*

examples/produce_part_ai_build123d/cube.py

@@ -0,0 +1,6 @@
+from build123d import *
+
+with BuildPart() as cube:
+    Box(length=10, width=10, height=10)
+
+show_object(cube)

examples/produce_part_ai_build123d/partcad.yaml

@@ -0,0 +1,36 @@
+desc: PartCAD parts defined using AI-generated build123d scripts.
+
+docs:
+  usage: |
+    ```shell
+    pc inspect cube
+    pc inspect prism
+    pc inspect tetrahedron
+    ```
+
+parts:
+  cube:
+    type: ai-build123d
+    provider: google
+    desc: A cube
+    properties:
+      length: 10
+  prism:
+    type: ai-build123d
+    provider: openai
+    # provider: ollama  # TODO(clairbee): find an Ollama model that works with build123d
+    desc: A hexagonal prism
+    properties:
+      length: 10
+  tetrahedron:
+    type: ai-build123d
+    provider: openai
+    tokens:
+    top_p: 0.9
+    desc: A tetrahedron
+    properties:
+      length: 10
+
+render:
+  readme:
+  svg:

examples/produce_part_ai_build123d/prism.py

@@ -0,0 +1,27 @@
+import math
+from build123d import *
+
+# Define the side length of the hexagon
+s = 5  # Example side length, can be adjusted
+
+# Calculate the radius of the circumscribed circle
+r = s / math.sqrt(3)
+
+# Define the vertices of the hexagon
+vertices = [
+    (r, 0, 0),
+    (r * math.cos(math.radians(60)), r * math.sin(math.radians(60)), 0),
+    (r * math.cos(math.radians(120)), r * math.sin(math.radians(120)), 0),
+    (-r, 0, 0),
+    (r * math.cos(math.radians(240)), r * math.sin(math.radians(240)), 0),
+    (r * math.cos(math.radians(300)), r * math.sin(math.radians(300)), 0)
+]
+
+# Create the hexagon base
+hexagon = Polygon(vertices)
+
+# Extrude the hexagon to form the prism
+hex_prism = extrude(hexagon, 10)
+
+# Display the part
+show_object(hex_prism)

examples/produce_part_ai_build123d/tetrahedron.py

@@ -0,0 +1,27 @@
+import math
+from build123d import *
+
+# Define vertices of the tetrahedron
+A = (0, 0, 0)
+B = (10, 0, 0)
+C = (5, 8.66, 0)
+D = (5, 2.89, 4.71)
+
+# Create edges
+edge_AB = Edge.make_line(A, B)
+edge_AC = Edge.make_line(A, C)
+edge_AD = Edge.make_line(A, D)
+edge_BC = Edge.make_line(B, C)
+edge_BD = Edge.make_line(B, D)
+edge_CD = Edge.make_line(C, D)
+
+# Create faces from edges
+face_ABC = Face.make_from_wires(Wire.make_wire([edge_AB, edge_BC, edge_AC]))
+face_ABD = Face.make_from_wires(Wire.make_wire([edge_AB, edge_BD, edge_AD]))
+face_ACD = Face.make_from_wires(Wire.make_wire([edge_AC, edge_CD, edge_AD]))
+face_BCD = Face.make_from_wires(Wire.make_wire([edge_BC, edge_CD, edge_BD]))
+
+# Create the tetrahedron by combining faces
+tetrahedron = Solid.make_solid(Shell([face_ABC, face_ABD, face_ACD, face_BCD]))
+
+show_object(tetrahedron)

examples/produce_part_ai_cadquery/README.md

@@ -14,20 +14,22 @@ pc inspect tetrahedron
 
 ### cube
 <table><tr>
-<td valign=top><img src="./cube.svg" width="200" height="200"></td>
+<td valign=top><img src="././cube.svg" width="200" height="200"></td>
 <td valign=top>A cube</td>
 </tr></table>
 
 ### prism
 <table><tr>
-<td valign=top><img src="./prism.svg" width="200" height="200"></td>
+<td valign=top><img src="././prism.svg" width="200" height="200"></td>
 <td valign=top>A hexagonal prism</td>
 </tr></table>
 
 ### tetrahedron
 <table><tr>
-<td valign=top><img src="./tetrahedron.svg" width="200" height="200"></td>
+<td valign=top><img src="././tetrahedron.svg" width="200" height="200"></td>
 <td valign=top>A tetrahedron</td>
 </tr></table>
 
+<br/><br/>
+
 *Generated by [PartCAD](https://partcad.org/)*

examples/produce_part_ai_cadquery/partcad.yaml

@@ -17,7 +17,8 @@ parts:
       length: 10
   prism:
     type: ai-cadquery
-    provider: openai
+    provider: ollama
+    model: llama3.1:70b
     desc: A hexagonal prism
     properties:
       length: 10

examples/produce_part_ai_cadquery/prism.py

@@ -1,7 +1,22 @@
-import cadquery as cq
+import math
+from cadquery import *
 
-# Define the hexagonal prism
-length = 10
-hex_prism = cq.Workplane("XY").polygon(6, length).extrude(length)
+s = 10  # assuming a side length of 10 mm for demonstration purposes
 
-show_object(hex_prism)
+# calculate radius of circumscribed circle using trigonometry
+r = s / (2 * math.sin(math.radians(60)))
+
+# create the hexagonal prism
+hexagon_prism = (
+    Workplane("XY")
+    .moveTo(r, 0)
+    .lineTo(r + s/2, r*math.sqrt(3)/2)
+    .lineTo(-r - s/2, r*math.sqrt(3)/2)
+    .lineTo(-r, 0)
+    .lineTo(-r - s/2, -r*math.sqrt(3)/2)
+    .lineTo(r + s/2, -r*math.sqrt(3)/2)
+    .close()
+    .extrude(10)  # extrude to create the prism
+)
+
+show_object(hexagon_prism)

examples/produce_part_ai_cadquery/tetrahedron.py

@@ -1,24 +1,31 @@
 import math
 import cadquery as cq
 
-length = 10
+# Define vertices
+A = (0, 0, 0)
+B = (10, 0, 0)
+C = (5, 8.66, 0)
+D = (3.33, 2.89, 8.16)
 
-def create_tetrahedron(length):
-    height = math.sqrt(2/3) * length
-    radius = math.sqrt(6)/3 * length
-
-    v0 = cq.Vector(0, 0, 0)
-    v1 = cq.Vector(length, 0, 0)
-    v2 = cq.Vector(length/2, height, 0)
-    v3 = cq.Vector(length/2, height/3, radius)
-
-    tetrahedron = cq.Workplane("XY").polyline([v0, v1, v2, v0]) \
-        .polyline([v0, v2, v3, v0]) \
-        .polyline([v1, v3, v2, v1]) \
-        .polyline([v1, v0, v3, v1]) \
-        .close()
+# Create edges
+edges = [
+    cq.Edge.makeLine(A, B),
+    cq.Edge.makeLine(A, C),
+    cq.Edge.makeLine(A, D),
+    cq.Edge.makeLine(B, C),
+    cq.Edge.makeLine(B, D),
+    cq.Edge.makeLine(C, D)
+]
 
-    return tetrahedron
+# Create faces
+faces = [
+    cq.Face.makeFromWires(cq.Wire.assembleEdges([edges[0], edges[1], edges[3]])),
+    cq.Face.makeFromWires(cq.Wire.assembleEdges([edges[0], edges[2], edges[4]])),
+    cq.Face.makeFromWires(cq.Wire.assembleEdges([edges[1], edges[2], edges[5]])),
+    cq.Face.makeFromWires(cq.Wire.assembleEdges([edges[3], edges[4], edges[5]]))
+]
+
+# Create solid
+tetrahedron = cq.Solid.makeSolid(cq.Shell.makeShell(faces))
 
-tetrahedron = create_tetrahedron(length)
 show_object(tetrahedron)