Curve: Top Rectangle

Start with the top rectangle of the core.

Curve: Floor Rectangle

In the design drawing, the floor is defined by a rectangular profile.

Solid-Edit: Skinned Solid

The solid core is extruded between the two rectangles.

Solid: Cone

Solid: Block

A solid block defines the base of the mold.

Solid-Edit: Subtract

The cone and the core are subtracted from the mold block.

Solid-Edit: Edge blend

As specified in the drawing, the edges of the model are rounded with radii R12, R10, R8 and R5.