Figure 1 PumpkinStep1: Define a sketch on the XZ plane. Draw a curve. Then revolve it to create a surface.
Figure 2 Revolve the curveStep2: Define a sketch on the XZ plane again. Draw a curve. Then morph the surface by Morph to Curve command.
Figure 3 Morph the surfaceStep3：Pattern the surface and sew them to get a solid shape.
Figure 4 Pattern and sewStep4: Use Morph with Point tool to morph the top pole point of the pumpkin.
Figure 5 Morph with PointStep5: Define a sketch on the XZ plane. Draw a curve to remove the internal of the pumpkin.
Figure 6 Remove the internalStep6: Draw a curve on the XZ plane. Use the Swept Rod and Fillet commands to create the vine. Then combine the main shape and the vine.
Figure 7 Create the vine
Step7: Draw a circle on the XY plane. Extrude it to create a cover.
Figure 8 Create the coverStep8: Draw a sketch on the XZ plane. Extrude it to create the face.
Figure 9 Create the faceIf you want to create more different styles based on this design, ZW3D can easily do it. We can use the morph commands to modify the pumpkin. Such as Stretch and Morph to Curve. Let me show you with the following steps. Creative Design-1 Morph the shape quickly and get a bigger pumpkin.
Figure 10 Creative design 1Step 9：Use the Stretch command to modify the cover and body of the copy with the same parameters.
Figure 11 Morph the shapesCreative Design-2 Morph the face from happiness to anger and get an angry pumpkin.
Figure 12 Creative design 2Step 10: Based on the main shape to draw a new sketch profile on the XZ plane. Extrude it to create the face solids.
Figure 13 Create the face solidsStep 11：Use the Stretch command to modify the cover, body and mouth of the copy with the same parameters.
Figure 14 Morph the shapesStep 12：Draw 2 sets of curves beside the left eye and mouth. Use the Morph to Curve command to modify the mouth with the 1st set curves. Modify the eye twice with the 2nd set curves.
Figure 15 Morph the mouth and eyeStep 13：Mirror the eye and adjust the position of them. Finally, combine the body, mouth and eyes to get the face.
Figure 16 Get the face